A group of African American children with their arms above their heads and happy expressions on their faces .
Chances are about even that an ice cream truck came by and gave the kids free ice cream , making them happy .
It is impossible that an ice cream truck came by and gave the kids free ice cream , making them happy .
Chances are about even that an ice cream truck came by and gave the kids free ice cream , making them happy .
An ice cream truck came by and gave the kids free ice cream , making them happy .