Premise: Several people are standing under a tarp ; two ladies are facing each other and one has a backpack on with her hands in her jeans pockets while the other one has a cigarette in her hand .
Correct statement: It is unlikely that the thunderstorm forced all of the people to use the tarp for shelter .
Incorrect statement: It is certain that the thunderstorm forced all of the people to use the tarp for shelter .
Correct statement: It is impossible that ladies about to embark on an exciting journey through the wilderness .
Incorrect statement: It is certain that ladies about to embark on an exciting journey through the wilderness .
Correct statement: It is impossible that the peple standing on the tarp are construction workers .
Incorrect statement: It is likely that the peple standing on the tarp are construction workers .
Correct statement: It is probable that people are under a tarp because of the rain .
Incorrect statement: We doubt that people are under a tarp because of the rain .
Correct statement: There is a very good chance that people stand under a tarp because it 's about to rain .
Incorrect statement: There is little chance that people stand under a tarp because it 's about to rain .