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

Ex Input:
Sentence1: 'a long train moving through a wooded area', Sentence2: 'a street scene with a tow truck and a car on the back'. Is the frequency of the word 'back' in two sentences equal?

Ex Output:
No

Ex Input:
Sentence1: 'a ski boarder is airborne on a snow covered slope', Sentence2: 'a sandwich on a plate with a side of cole slaw'. Is the frequency of the word 'a' in two sentences equal?

Ex Output:
No

Ex Input:
Sentence1: 'a room containing a television and a lounge chair with books on it', Sentence2: 'there are very few people watching this baseball game'. Is the frequency of the word 'a' in two sentences equal?

Ex Output:
No