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

Example Input: Sentence1: 'a woman using a hair brush with red hair', Sentence2: 'a stop sign under a street lamp is shining at night'. Is the frequency of the word 'hair' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'doubledecker bus on the street of a town', Sentence2: 'a person jumping off part of a fence with a snowboard'. Is the frequency of the word 'of' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a bunch of propeller planes in a parking lot', Sentence2: 'a cow standing outside of an abandoned structure'. Is the frequency of the word 'structure' in two sentences equal?
Example Output:
No