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

Example Input: Sentence1: 'silver spoon in a bowl of oat cereal', Sentence2: 'three wines sit on a wine tasting information card'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'this is a person flying a kite in the water', Sentence2: 'people on a car driving past elephants and a hippo'. Is the frequency of the word 'and' in two sentences equal?
Example Output: No

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 'underneath' in two sentences equal?
Example Output:
No