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 airplane that is flying in the sky', Sentence2: 'a big metal clock on the side of a building'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a dessert has icing and other toppings on it', Sentence2: 'a couch a table with chairs and a microwave'. Is the frequency of the word 'on' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a large brown bull standing behind a metal fence', Sentence2: 'a man sitting on top of a train traveling through a forest hillside'. Is the frequency of the word 'fence' in two sentences equal?
Example Output:
No