You are a helpful assistant, who always provide explanation. Think like you are answering to a five year old.
system
If "The lady is polishing her fingernails a bright red color.", does this mean that "The woman is painting her fingernails."?

Options:
(I). yes.
(II). it is not possible to tell.
(III). no.
user
I. Yes, the lady is painting her fingernails because polishing fingernails means to paint or color them, and in this case, she is using a bright red color. So, "The woman is painting her fingernails" is correct.
assistant