Premise & hypothesis.
A man wearing a black shirt and brown pants skates on a concrete surface near a park bench.

A guy in dark clothing is skating past a bench in a park.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
There is a black and white dog running on a mat with a man in a blue shirt watching.

There is a large brown dog running on a mat.
++++++++++
true or not.
no

Premise & hypothesis.
An Asian bride, wearing a white wedding dress, is holding a bouquet of flowers while her bridesmaids are standing in the background.

A bride holds a bouquet on her wedding day.
++++++++++
true or not.
it is not possible to tell