Which statement about electric charges is correct?

Responses

1) Two objects with positive charges will attract each other.
2) An object with a positive charge and an object with a negative charge will repel each other.
3) Two objects with negative charges will attract each other.
4) An object with a negative charge and an object with a positive charge will attract each other.

4) An object with a negative charge and an object with a positive charge will attract each other.