A boy in a pink T-shirt is riding a bike over a sand pile while two others are riding in the street .
There is a better than even chance that one boy is on a bicycle and the other two are walking .
There is little chance that one boy is on a bicycle and the other two are walking .
There is a better than even chance that one boy is on a bicycle and the other two are walking .
One boy is on a bicycle and the other two are walking .