Syngenta , based in Basel , Switzerland , said farmers produced 165,000 tons of the unapproved Bt-10 strain of corn on 37,000 acres in the United States from 2001 through the end of last year , thinking that they were producing Bt-11 , its approved cousin .
Switzerland /location/location/contains Basel
NNP , VBN IN NNP , NNP , VBD NNS VBD CD NNS IN DT JJ NN NN IN NN IN CD NNS IN DT NNP NNPS IN CD IN DT NN IN JJ NN , VBG IN PRP VBD VBG NN , PRP$ VBN NN .
Switzerland
LOCATION
Basel
LOCATION
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