Text: yeah i don't know i don't know if i don't know if he knows i know there's some uh booklets and things you know showing different models and stuff that are quite old that were with it but i don't know if they were original or if they were picked up you know in later years
Entailment: I am aware that there are booklets which show various models.
Contradiction: I know for certain that there are no booklets which show different models.