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 group of young boys standing behind two microphones', Sentence2: 'a group of people and cow outside of a hut'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a group of elephants walking through a grassy field', Sentence2: 'a mesh fence with the design of a cat incorporated into it'. Is the frequency of the word 'group' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a plate that has a few small pieces of pizza left', Sentence2: 'two people that are flying a kite on a hill'. Is the frequency of the word 'flying' in two sentences equal?
Example Output:
No