Premise & hypothesis.
A couple enjoy a beautiful day bicycling on a bike trail wearing bicycling safety helmets and gloves.

Two people are outdoors.
++++++++++
true or not.
yes

Premise & hypothesis.
a boy in a red shirt walking down a dock past a boat.

A boy getting ready to go fishing.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Snowmobiler riding snowmobile with front end up in the air.

There are Snowmobiler in outdoors.
++++++++++
true or not.
yes