In this task, answer 'Yes' if the frequency of the given word in the two sentences is equal, else answer 'No'.

Sentence1: 'a train engine is traveling down some tracks', Sentence2: 'a big metal clock on the side of a building'. Is the frequency of the word 'the' in two sentences equal?
No

Sentence1: 'a red bus drives through the icy streets of an old city', Sentence2: 'a stop sign that has been written on with white ink'. Is the frequency of the word 'a' in two sentences equal?
Yes

Sentence1: 'two bears in a waterfall one on top of falls and one on bottom of the falls', Sentence2: 'a giraffe lays down on the grass as a bird stands in the background'. Is the frequency of the word 'waterfall' in two sentences equal?

No