Premise: A dark-haired man in a green shirt is playing the drums with a bass player in the background .
Correct statement: It is improbable that they 2 musicians are brothers .
Incorrect statement: There is a better than even chance that they 2 musicians are brothers .
Correct statement: It is improbable that the man is wearing khakis .
Incorrect statement: It is almost certain that the man is wearing khakis .
Correct statement: We believe that a man performs with his band .
Incorrect statement: It is improbable that a man performs with his band .
Correct statement: It is improbable that they are playing jazz music .
Incorrect statement: It is probably the case that they are playing jazz music .
Correct statement: We believe that a guy and his friend play music
Incorrect statement: It is probably not the case that a guy and his friend play music