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

Example Input: Sentence1: 'an army transport truck sitting near a forest', Sentence2: 'a lot of plants and greenery with a train in the background'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'two giraffes are walking through tall grass in open plains', Sentence2: 'a plate with a pizza and vegetables on it'. Is the frequency of the word 'through' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a living room with a pink and white stripe couch next to a flat screen tv', Sentence2: 'a person in a black jacket jumping with skis on'. Is the frequency of the word 'on' in two sentences equal?
Example Output:
No