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

Example Input: Sentence1: 'an rv is pulled alongside a roadside parking area', Sentence2: 'a man surfing a wave in the ocean'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a couple of men riding on the backs of horses', Sentence2: 'a man standing in the ocean with a frisbee moving towards him'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'two zebra nuzzling each other under a tree with another below them in the background', Sentence2: 'a toilet a tub a mirror and a trash can and towel'. Is the frequency of the word 'nuzzling' in two sentences equal?
Example Output:
No