Not necessarily
"Textual entailment is a way of saying one statement can be inferred from another. So, saying "Pat purchased a car" also means "Pat owns a car" but not necessarily that "Pat rode in a car." "
Pat could be a fleet manager for a company, in which case the inference is invalid. The problem remains that the LLM has zero understanding and therefore preferentially recognises the most commonplace and can't handle edge cases.
This was foreseen a lifetime ago in a very interesting short story by Asimov ("The Monkey's Finger" (1952)) in which a monkey is wired up (effectively as an LLM) to evaluate the quality of literature by creating a counter-text for comparison with the original. Unfortunately it always generates the most obvious and therefore banal version of possible texts, wiping out all originality.