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 slope is full of canoes up on the grass', Sentence2: 'a player on a baseball field getting ready to bat'. Is the frequency of the word 'is' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a person holding a cell phone in their hand', Sentence2: 'a man flying through the air while riding a skateboard'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a train that is passing by in the day time', Sentence2: 'a woman is opening up a wine bottle that is sitting on a table'. Is the frequency of the word 'that' in two sentences equal?
Example Output:
Yes