It is probable that Lily is white. It is certain that John left the football. It is likely that Julius is a frog. There is a very good chance that if Lily is white, and John left the football, then Yann is thirsty. It is highly unlikely that if John left the football, or Julius is a frog, then Greg is yellow. It is improbable that if Lily is white, or Julius is a frog, then Brian is green.
It is highly unlikely that brian is green, and Yann is thirsty.
It is highly unlikely that brian is green, and Yann is thirsty.
We believe that brian is green, and Yann is thirsty.
Brian is green, and Yann is thirsty.