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 station wagon being carried in the back of a truck', Sentence2: 'a stuffed animal cat on top of the steering wheel in a car'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a partially eaten pizza with empty plate in foreground', Sentence2: 'a tennis player with a racket and a ball'. Is the frequency of the word 'ball' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'large truck driving down sixlane street in a city', Sentence2: 'a policy officer talking to a fellow officer next to a busy city street'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No