1. Let's count noses first.

2. Everyone is here. Let's count noses so we can order hamburgers.

3. The usher was told to look out into the audience and count noses.

4. To make sure no members of the tour get lost, the tourist guide count noses every time they get back on the bus.

5. To make sure no members of the tour get lost, the tour guide has to count noses every time we get back on the coach.