Premise & hypothesis.
A child wearing a helmet is sitting on a red sled outside in the snow.

A boy's sled has come to a gentle stop at the foot of the hill.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man conducts a horse-driven carriage on a tree-lined avenue.

A man conducts a horse carriage on a tree-lined avenue.
++++++++++
true or not.
yes

Premise & hypothesis.
A platform diver in mid-flight on a sunny day with spectators.

There is diving in a river.
++++++++++
true or not.
no