Man in a long-sleeved black shirt , appears to be engaged in dance , in front of a blue sign that entails information about specific locations .
It is certain that a man in a black shirt dances in front of a blue information sign .
It is certain that a man in a black shirt dances in front of a blue information sign .
It is improbable that a man in a black shirt dances in front of a blue information sign .
A man in a black shirt dances in front of a blue information sign .