Which ones are difference between in groups and out groups? choose each one that is apply

A. The groups with which individual an identifies herself are her in group --family,college, sports team,as examples.

B. Out groups refers to those groups with which an individual does not identify himself.

C. In group members use the term 'we' to express themselves but they use the term 'they' for the members of out-group.

D. Individuals want out-group members to join the in-group.

E. Individuals are members of their in-group whereas they are not at all members of their out-group.