Premise: Young boy brushing a baby 's hair .
Correct statement: There is a very good chance that a youth is brushing hair .
Incorrect statement: We doubt that a youth is brushing hair .
Correct statement: There is a very good chance that the boy is related to the baby .
Incorrect statement: It is impossible that the boy is related to the baby .
Correct statement: It is impossible that a sibling brushing his brothers hair .
Incorrect statement: It is likely that a sibling brushing his brothers hair .
Correct statement: It is likely that the baby is the boy 's sibling
Incorrect statement: It is impossible that the baby is the boy 's sibling
Correct statement: It is impossible that the baby 's hair is brown .
Incorrect statement: It is almost certain that the baby 's hair is brown .