"president" is marked as a surname!

[bkitej-rw]

>> import probablepeople
>> probablepeople.tag("president joe biden")

RepeatedLabelError: 
ERROR: Unable to tag this string because more than one area of the string has the same label

ORIGINAL STRING:  president joe biden
PARSED TOKENS:    [('president', 'Surname'), ('joe', 'GivenName'), ('biden', 'Surname')]
UNCERTAIN LABEL:  Surname

When this error is raised, it's likely that either (1) the string is not a valid person[/corporation](http://localhost:8888/corporation) name or (2) some tokens were labeled incorrectly

To report an error in labeling a valid name, open an issue at https://github.com/datamade/probablepeople/issues/new - it'll help us continue to improve probablepeople!

For more information, see the documentation at https://probablepeople.readthedocs.io/