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 picture of some people out of snow', Sentence2: 'people approach and order at a red food truck'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a very big travel bus with passengers  waiting on their luggage', Sentence2: 'a teenager riding a skateboard down a street'. Is the frequency of the word 'down' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'street level view of young people at a traffic light on some type of small motorcycle', Sentence2: 'a old photo shows a man with his two horses'. Is the frequency of the word 'young' in two sentences equal?
Example Output:
No