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 green and yellow train traveling down a train track', Sentence2: 'two dogs are wearing bonnets tied to a pole'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a young boy sitting at a window side table eating a donut', Sentence2: 'the man is covering his face with the mug'. Is the frequency of the word 'window' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'two dogs are wearing bonnets tied to a pole', Sentence2: 'a man sitting in front of a pizza on top of a white paper'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No