A boy in a blue hat and a yellow backpack is carrying a box while walking down the street .
It is certain that a young boy wearing a blue baseball cap walks down the street with a present in his hands .
There is almost no chance that a young boy wearing a blue baseball cap walks down the street with a present in his hands .
It is certain that a young boy wearing a blue baseball cap walks down the street with a present in his hands .
A young boy wearing a blue baseball cap walks down the street with a present in his hands .