I chuckle and tell her that I have a 2 month old at home . The other barista , the one behind the bar says , " oh how is your baby ! I ca n't believe it 's already been two months ! " I love our baristas .

Based on the preceding passage, choose your answer for question Why do the baristas know her

[I] She lets them take care of the baby;
[II] She works with them;
[III] They had a baby together;
[IV] None of the above choices .;
The answer is:
[II]