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 laptop is docked on a stand while another keyboard is positioned for use', Sentence2: 'a vase of spider mums sit on the coffee table'. Is the frequency of the word 'on' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a baby bird by itself in a nest made from straw', Sentence2: 'two zebras fighting in a large grassy land area'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a stop sign that has been written on with white ink', Sentence2: 'there re several luggage bags that are on the floor'. Is the frequency of the word 'that' in two sentences equal?
Example Output:
Yes