2. Are Liz and Steve taking pictures? No, they aren't. They throwing streamers.
3. Is Sue dancing? No, she isn't. She's holding balloons.
4. Is Sam throwing streamers? No he isn't. He's drinking coke.
5. Are the musicians performing tricks? No, they aren't. They playing music.
6. Are the clowns holding balloons? No, they aren't. They performing tricks.
7. Are Tony and Mary drinking coke? No, they aren't. They taking pictures.