In this task, you need to count the number of times the given letter appears in the given sentence.
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Question: Sentence: 'a man standing on a tennis court holding a racquet'. Find frequency of the letter 's'

Answer: 2


Question: Sentence: 'one woman is arranging the other woman's hair'. Find frequency of the letter 'o'

Answer: 4


Question: Sentence: 'a polar bear licking its paw while grooming'. Find frequency of the letter 'w'

Answer:
2