TASK DEFINITION: In this task, answer 'Yes' if the frequency of the given word in the two sentences is equal, else answer 'No'.
PROBLEM: Sentence1: 'a man in a lobby on a laptop computer', Sentence2: 'there is a traffic caution sign on the side of the street'. Is the frequency of the word 'sign' in two sentences equal?

SOLUTION: No

PROBLEM: Sentence1: 'a man that is holding a cell phone', Sentence2: 'the jumping dog has caught a frisbee with its teeth'. Is the frequency of the word 'teeth' in two sentences equal?

SOLUTION: No

PROBLEM: Sentence1: 'a person on skis high in the air at night', Sentence2: 'a pair of wooden street with boats on them'. Is the frequency of the word 'on' in two sentences equal?

SOLUTION:
Yes