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 group of people riding skateboards at a skate park', Sentence2: 'this is a tray with food and a drink on it'. Is the frequency of the word 'riding' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'some little elephants standing around a few trees', Sentence2: 'a snowboarder is upside down in the air on a wooded snowy slope'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a pink bus parked next to a garbage truck', Sentence2: 'a large amount of animals standing around in a fence'. Is the frequency of the word 'in' in two sentences equal?
Example Output:
No