Denny asked: Premise: "A person dressed in a black shirt and a person dressed in a blue shirt are standing on a mound of sand."
Hypothesis: "The people are standing in a pit of lava."
Do we know that the hypothesis entailed by the premise?.
Le: OK, so how can I answer with some explanation?
One is either standing on a mound of sand or a mound of lava.
The answer: no.