When a woman waves at you while frowning at you?

Question

Does that mean she doesn’t like you and is being polite?

Answer 1

No she may be in trouble and trying to solicit help.

Answer 2

I would maybe ask her

Answer 3

Maybe she's distracted and thinking about something else that's why she's frowning...

Answer 4

No it means she wants a reaction from you. She is probably moist for you.