The nurse in the inpatient psychiatric unit is leading a support group for clients. it would be a priority for the nurse to intervene if the client with
1. bipolar i disorder is experiencing a manic episode, is moving the legs, and is looking around the room restlessly
2. borderline personality disorder is saying that another group member is too disturbed to be attending the session
3. major depressive disorder is sitting quietly with the eyes downcast
4. schizophrenia is rocking in place and copying the gestures of another client in the group