There is a better than even chance that Greg is a swan. It is improbable that Julius is a frog. It is impossible that Fred went to the kitchen. There is almost no chance that if Fred went to the kitchen, and Greg is a swan, then Bernhard is green. It is certain that if Greg is a swan, or Julius is a frog, then Mary left the football. There is a better than even chance that if either Greg is a swan, or Julius is a frog, then Jeff moved to the office.
It is likely that either Bernhard is green, or Fred went to the kitchen.
It is impossible that either Bernhard is green, or Fred went to the kitchen.
It is likely that either Bernhard is green, or Fred went to the kitchen.
Either Bernhard is green, or Fred went to the kitchen.