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 herd of sheep standing on top of a lush green field', Sentence2: 'a house with a door and window has a bench in front of it surrounded by bushes'. Is the frequency of the word 'herd' in two sentences equal?
Example Output: 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: 'a mini moose sculpture is propped next to a vase', Sentence2: 'crayons are being featured in many different photographs'. Is the frequency of the word 'propped' in two sentences equal?
Example Output:
No