Premise: Four young boys are standing around a grill .
Correct statement: We believe that four boys at a barbecue .
Incorrect statement: It is highly unlikely that four boys at a barbecue .
Correct statement: Chances are about even that four boys are making hamburgers on the grill .
Incorrect statement: It is almost certain that four boys are making hamburgers on the grill .
Correct statement: Chances are about even that four brothers roast things on the grill
Incorrect statement: It is impossible that four brothers roast things on the grill
Correct statement: It is highly unlikely that the grill contains hot dogs and hamburgers .
Incorrect statement: It is probable that the grill contains hot dogs and hamburgers .
Correct statement: Chances are about even that four boys are grilling food .
Incorrect statement: It is certain that four boys are grilling food .