Answer the following question, with explanation first.
Test for natural language inference.\nPremise: "Grandparents are discussing their son's future seriously."\nHypothesis: "The grandparents did not have children."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell

no
There can be no son if they did not have children.

.

The final answer: no