Some people standing at the corner of a street, in the crosswalk, waiting for the light to change so they can cross the street.
The people are waiting for the streetlight to change colors.
The people swimming across the pool.
Two people are running outside
two men are standing
A couple is seaed at an establishment.
A sports player is guarding the goal net placed on a rink.
Sulfur dioxide is considered a regional pollutant.
We don't have any clues.