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 boy taking a picture of himself in mirror', Sentence2: 'spoons that are sitting in a glass jar on a table'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'an airplane toilet positioned next to a sink and bar', Sentence2: 'a man that has goggles and standing in the snow'. Is the frequency of the word 'sink' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a green and yellow train traveling down a train track', Sentence2: 'a woman on skis holding one hand up with a pole'. Is the frequency of the word 'yellow' in two sentences equal?
Example Output:
No