Three objects are brought close to each other, two at a time.When objects A and B are brought together, they repel. When objectsB and C are brought together, they also repel. Which of thefollowing are true? (Select all that apply.) a. additional experiments must be performed todetermine the signs of hte cahrges.b. objects A and C possess charges of the samesign.c. one object is neutral.d. objects A and C possess charges of theoppostite sign.e. all three objects possess charges of thesame sign.