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

Example Input: Sentence1: 'people playing a game in a wood gated field', Sentence2: 'a teddy bear sits next to a small pair of black boots'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a red bench sitting underneath a widow against wall', Sentence2: 'a man flying through the air on a  skateboard'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a man holding a tennis racquet standing on a tennis court', Sentence2: 'a cheesy pizza covered in topping sitting on top of a pan'. Is the frequency of the word 'sitting' in two sentences equal?
Example Output:
No