Premise: People in costumes are walking around in the street .
Correct statement: It is certain that people are walking outside .
Incorrect statement: It is impossible that people are walking outside .
Correct statement: There is a very good chance that people are celebrating halloween
Incorrect statement: We doubt that people are celebrating halloween
Correct statement: It is likely that a group of children are trick or treating for Halloween .
Incorrect statement: We doubt that a group of children are trick or treating for Halloween .
Correct statement: It is probably the case that people are trick or treating .
Incorrect statement: There is almost no chance that people are trick or treating .
Correct statement: There is almost no chance that people dressed in Spiderman costumes are walking around in a busy street .
Incorrect statement: There is a better than even chance that people dressed in Spiderman costumes are walking around in a busy street .