Answer: Mike sister doesn’t eat meat. She is vegetarian
I will go with doesn’t
Step-by-step explanation
Don‘t and Doesn’t is confusing because it kinda the same .
Don’t = is something you don’t like , example : she don’t like apples , that tell you that she don‘ t like apples
Doesn’t is pretty much the same but their a difference between them
example of doesn’t ; apple doesn’t ever want to see nut again.
tom doesn’t speak English.