将A组姓名按名（first name）和姓（last name）进行分类，将B组名字按男性（male）和女性（female）进行分类。

A)Peter, George, Williams, James, Tony, Amy, Brown, Gina, Bush, Hunt

1. First name: ______________________________

2. Last name: ______________________________

B)Frank, Emma, David, Catherine, Tina, Alice, Philip, Mary, Tom, John

3. Male: ______________________________

4. Female: ______________________________

简述共同侵权行为的概念和构成要件。