Premise:
"Didn't I tell you that? "
Hypothesis: I already said that to you before.

yes

Premise:
"Enormous college loans behind legal-aid snub"
Hypothesis: Huge college loans behind legal-aid snub.

yes

Premise:
"Ask at tourist offices for information on bike tours of the city and outlying areas such as Fontainebleau."
Hypothesis: There's no need to ask at tourist offices for information about bike tours of places such as Fontainebleau.
no