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

[EX Q]: Sentence1: 'a couple of men riding on the backs of horses', Sentence2: 'a chair and a couch in a room'. Is the frequency of the word 'backs' in two sentences equal?
[EX A]: No

[EX Q]: 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?
[EX A]: No

[EX Q]: Sentence1: 'view of a historic brick building looking toward the sky', Sentence2: 'a train engine is traveling down some tracks'. Is the frequency of the word 'a' in two sentences equal?
[EX A]:
Yes