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 number of people holding umbrellas on a city street', Sentence2: 'people approach and order at a red food truck'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a night view of street lights and lamps', Sentence2: 'a motorcycle with crazy long exhaust pipes parked along the side of the road'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
Yes