2) A: Are Liz and Steve taking picture?
B: No, they aren't
3) A:Is Sue dancing?
B:No, he isn't
4) A:Is Sam throwing streamers?
B:No, he isn't
5) A:Are musicians performing tricks?
B:No, they aren't
6) A:Are clowns holding balloons?
B: Yes, they are
7) A:Are Tony and Mary drinking Coke?
B: No, they aren't