Premise: Four casually dressed guys jumping down a stairway outdoors with a stone wall behind them .
Correct statement: Chances are about even that a group of people are watching .
Incorrect statement: It is impossible that a group of people are watching .
Correct statement: It is almost certain that four guys jumping
Incorrect statement: It is unlikely that four guys jumping
Correct statement: We believe that four guys in jeans and T-shirts are jumping down the stairs in front of a wall .
Incorrect statement: There is almost no chance that four guys in jeans and T-shirts are jumping down the stairs in front of a wall .
Correct statement: It is impossible that four young men are going down the parking deck stairs to the carnival .
Incorrect statement: There is a better than even chance that four young men are going down the parking deck stairs to the carnival .
Correct statement: There is little chance that four guys are hurrying to their cars by jumping down stairs .
Incorrect statement: It is likely that four guys are hurrying to their cars by jumping down stairs .