What do you mean, you mean know?
Answer:
1. Because of the direction they see
2. Both
3.I would tell the girl to go left of where the boy sees it
Answer:
<em>Spectat</em><em>ors</em><em> </em><em>thronge</em><em>d</em><em> </em><em>the</em><em> </em><em>stree</em><em>ts</em>