Premise: A nurse in a blue shirt and a purple shirt talking .
Correct statement: There is a better than even chance that two nurses talking about a patient
Incorrect statement: There is little chance that two nurses talking about a patient
Correct statement: There is a very good chance that a nurse in a blue shirt is talking about a patient to another nurse wearing a purple shirt .
Incorrect statement: It is unlikely that a nurse in a blue shirt is talking about a patient to another nurse wearing a purple shirt .
Correct statement: Chances are about even that there are two male nurses talking .
Incorrect statement: It is impossible that there are two male nurses talking .
Correct statement: It is impossible that there is a doctor talking to them too .
Incorrect statement: It is probably the case that there is a doctor talking to them too .
Correct statement: It is impossible that a nurse is talking to a patient .
Incorrect statement: It is probable that a nurse is talking to a patient .