Children 's soccer game being played while the sun sets in the background .
Children playing soccer while the sun sets .
Children's soccer game being played while the sun sets in the background.
Children playing soccer while the sun sets.
Children soccer game implies that children are playing soccer.   While the sun sets denotes that this activity is done while the sun is setting.
Children soccer game implies that children are playing soccer . While the sun sets denotes that this activity is done while the sun is setting .