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 people riding skateboards at a skate park', Sentence2: 'this is a tray with food and a drink on it'. Is the frequency of the word 'riding' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a sandwich on a green plate with a knife about to cut into it', Sentence2: 'a picture taken above 2 cows laying in a rocky dirt field'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a round metal pan holding a pizza crust on it', Sentence2: 'a tall bird is standing by an oven'. Is the frequency of the word 'holding' in two sentences equal?
Example Output:
No