I'll give you a question, please answer with step-by-step reasoning process.
Premise: "Several families wearing identical t-shirts with labor day 2010 symbols are walking on the street."\nHypothesis: "A large family is walking down the street in matching shirts."\nDo we know that the hypothesis entailed by the premise?

yes
A large family is several families.

Identical t-shirts are matching shirts.

.

Final answer: yes