16. The non-transitory computer-readable medium of claim 15 , the operations further comprising: determining that the second string includes a set of characters or patterns indicating that the second string is the surname.
17. The non-transitory computer-readable medium of claim 16 , wherein determining that the second string includes the set of characters or patterns indicating that the second string is a surname comprises: analyzing the second string based on a list of known character sets included in surnames; and determining that the set of characters or patterns included in the second string matches a known character set included in the list of known character sets commonly included in surnames.