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 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?
Example Output: No

Example Input: Sentence1: 'three giraffes including a baby giraffe step through the brown grass', Sentence2: 'a church with some tents with items for sale in front of it'. Is the frequency of the word 'items' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a boy sits on top of a suitcase and between two other stacks of luggage', Sentence2: 'a woman and a man standing inside of a kitchen eating food'. Is the frequency of the word 'man' in two sentences equal?
Example Output:
No