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 striped cat standing on a window seal', Sentence2: 'the chocolate cake has strawberries on the top'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a red car parked by a yellow topped fire hydrant', Sentence2: 'a man stands out in the rain underneath an umbrella'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'individuals taking picture and posturing before a polaroid', Sentence2: 'a person in the air on a snowboard doing a jumping trick and clouds covering the sun in the sky'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No