Premise: A group of people are having a picnic at the park .
Correct statement: Chances are about even that some people are preparing the hot dogs .
Incorrect statement: It is impossible that some people are preparing the hot dogs .
Correct statement: It is probable that a group of people celebrate with a picnic in the park .
Incorrect statement: It is improbable that a group of people celebrate with a picnic in the park .
Correct statement: There is a very good chance that people are eating sandwiches at a picnic .
Incorrect statement: It is unlikely that people are eating sandwiches at a picnic .
Correct statement: There is a very good chance that people are playing games at the park .
Incorrect statement: We doubt that people are playing games at the park .
Correct statement: Chances are about even that there are people drinking wine at a picnic at the park .
Incorrect statement: There is almost no chance that there are people drinking wine at a picnic at the park .