I'm having trouble transforming a SOAP response XML into a plain text string.
I'm starting with XLST and I've read all I could about. Apparently what I need to accomplish is simple, but all examples are way simpler than my context.

First, I'm reaching a web service (Bing Maps Reverse Geocoding) that returns this XML structure:

```
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
  <s:Body>
    <ReverseGeocodeResponse xmlns="http://dev.virtualearth.net/webservices/v1/geocode/contracts">
      <ReverseGeocodeResult xmlns:a="http://dev.virtualearth.net/webservices/v1/geocode" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
        <BrandLogoUri xmlns="http://dev.virtualearth.net/webservices/v1/common">
          http://dev.virtualearth.net/Branding/logo_powered_by.png
        </BrandLogoUri>
        <ResponseSummary xmlns="http://dev.virtualearth.net/webservices/v1/common">
          <AuthenticationResultCode>ValidCredentials</AuthenticationResultCode>
          <Copyright>(...)</Copyright>
          <FaultReason i:nil="true" />
          <StatusCode>Success</StatusCode>
          <TraceId>(...)</TraceId>
        </ResponseSummary>
        <a:Results xmlns:b="http://dev.virtualearth.net/webservices/v1/common">
          <b:GeocodeResult>
            <b:Address>
              <b:AddressLine>(...)</b:AddressLine>
              <b:AdminDistrict>SP</b:AdminDistrict>
              <b:CountryRegion>Brasil</b:CountryRegion>
              <b:District />
              <b:FormattedAddress>(...)</b:FormattedAddress>
              <b:Locality>Campinas</b:Locality>
              <b:PostalCode>13069-380</b:PostalCode>
              <b:PostalTown />
            </b:Address>
            <b:BestView>(...)</b:BestView>
            <b:Confidence>Medium</b:Confidence>
            <b:DisplayName>(...)</b:DisplayName>
            <b:EntityType>Address</b:EntityType>
            <b:Locations>(...)</b:Locations>
            <b:MatchCodes xmlns:c="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
              <c:string>Good</c:string>
            </b:MatchCodes>
          </b:GeocodeResult>
          <b:GeocodeResult>
            (...)
          </b:GeocodeResult>
        </a:Results>
      </ReverseGeocodeResult>
    </ReverseGeocodeResponse>
  </s:Body>
</s:Envelope>

```

The node `b:GeocodeResult` is repeated about 10 times. The other parts with `(...)` are irrelevant (no related nodes).
The only thing I need from this extensive response are the nodes `b:Locality` and `b:AdminDistrict`.
I'm struggling for the last couple days to get this done.

Here's one of the many approaches:

```
<xsl:stylesheet version="1.0"
        xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
        xmlns="http://dev.virtualearth.net/webservices/v1/common"
        xmlns:a="http://dev.virtualearth.net/webservices/v1/geocode"
        xmlns:b="http://dev.virtualearth.net/webservices/v1/common"
        xmlns:c="http://schemas.microsoft.com/2003/10/Serialization/Arrays"
        xmlns:i="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
    <xsl:template match="/s:Envelope/s:Body/ReverseGeocodeResponse/ReverseGeocodeResult/a:Results/b:GeocodeResult/b:Address">
        <xsl:value-of select="b:Locality"/> - <xsl:value-of select="b:AdminDistrict"/>
    </xsl:template>
</xsl:stylesheet>

```

I know this should only return the first `b:Locality` and `b:AdminDistrict` nodes, and that's perfect. But when I try this, the result is all the text in the XML (no tags at all, just concatenated text). Some variations of this approach return only the ' - ' fragment between the two `xsl:value-of` tags.

What am I doing wrong? Can this be related to the infinity of namespaces?