Question

look at this thesaurus entry:
partial
part of speech: adjective
definition: favoring one side over another
synonyms: biased, one - sided, unfair
which is an example of being partial?
a boss promoting the person she likes best
a boss promoting the person who does the best work

Explanation:

To determine the example of being partial, we use the definition "favoring one side over another". A boss promoting the person she likes best favors that person (one side) over others, showing bias. Promoting the person who does the best work is based on merit, not favoritism.

Answer:

a boss promoting the person she likes best