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 young boy stands atop a beginner skateboard in the house', Sentence2: 'cat on top of pole looking out a window'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a man holding up an umbrella near other umbrellas', Sentence2: 'a couple of men standing next to each other on a tennis court'. Is the frequency of the word 'court' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a baby bird by itself in a nest made from straw', Sentence2: 'a yellow train is on the railroad tracks'. Is the frequency of the word 'railroad' in two sentences equal?
Example Output:
No