Two guys in blue shirts are standing on top of a construction surface doing construction work .
There is little chance that there are two men wearing blue uniforms who are working atop a house that is being built .
There is little chance that there are two men wearing blue uniforms who are working atop a house that is being built .
It is likely that there are two men wearing blue uniforms who are working atop a house that is being built .
There are two men wearing blue uniforms who are working atop a house that is being built .