Premise & hypothesis.
A man, protected by a helmet and other protective gear, is battling his way down rough rapids in a red one-man kayak.

bruce campbell enjoys tea near a river
++++++++++
true or not.
no

Premise & hypothesis.
several young people riding on a big yellow fair ride

Several young people are at a fair.
++++++++++
true or not.
yes

Premise & hypothesis.
A man in a hat is covered in concert silly string.

The man at a concert has string on his hat.
++++++++++
true or not.
yes