Premise: "A middle-aged woman is getting her hair done in a barber shop with polka-dotted walls."\nHypothesis: "The walls were yellow and blue polka dots."\nDo we know that the hypothesis entailed by the premise?
Think hard. Detailed solution:
it is not possible to tell
Not all walls are yellow and not all polka dots are blue.

.

Therefore, the answer is it is not possible to tell