Premise & hypothesis.
A group of three runners goes by in a race.

some friends are competing in a marathon.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A guy in a plaid shirt and jeans is singing into a microphone while another guy in a black t-shirt, jeans and all-black converse shoes sits next to him on a stool playing guitar.

a man is singing
++++++++++
true or not.
yes

Premise & hypothesis.
Women in colorful outfits dancing in a parade.

Women are performing.
++++++++++
true or not.
yes