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

Example Input: Sentence1: 'little children visit the krispy kreme factory with their mother', Sentence2: 'a group of young people pay nintendo wii'. Is the frequency of the word 'pay' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'horses pull a carriage through a quaint street', Sentence2: 'a sign is attached to a wooden pole'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'people are looking at tables full of stuff', Sentence2: 'black and white photograph of flowers in a vase'. Is the frequency of the word 'black' in two sentences equal?
Example Output:
No