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 male skateboarder in a black shirt is skating', Sentence2: 'little children visit the krispy kreme factory with their mother'. Is the frequency of the word 'factory' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a young woman ski is down a slope on the back of a sled', Sentence2: 'a vase of roses sits alone on a table'. Is the frequency of the word 'of' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a baby wearing a pink top is sleeping in bed with some pillows', Sentence2: 'a gray and white bird standing in the sand'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No