מי

Who is there with the sister?

I know who is here, and I understand Hebrew.

This is really an interesting game, because I never know who will win in the end.

I have someone to talk to about the refund, but I have no cash to pay now.

Do you have someone to go home with, or are you traveling alone?

I do not know who hid the letter, but it is clear that someone tried to conceal it.