Use reasoning to lead to the answer of the following question:
Test for natural language inference.\nPremise: "People are boarding two yellow and blue trains."\nHypothesis: "A group of travelers is traveling first class via train."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell

it is not possible to tell
Not all people boarding two yellow and blue trains.

is traveling first class via train.

.

So, the final answer is it is not possible to tell