Premise & hypothesis.
children ride bikes in what appears to be an impoverished nation.

Some kids are riding bikes to the park.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two black dogs playing tug-of-war.

Two littermates play tug-of-war with their favorite chew toy
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Pictured from behind a young little girl looking over books at an outdoor book sale.

A little girl with pigtails is looking through picture books while her mom stands nearby.
++++++++++
true or not.
it is not possible to tell