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: 'people waiting on a train platform in a wooded area'. Find frequency of the letter 'p'

Answer: 3


Question: Sentence: 'a girl laying on a bed posing for a picture'. Find frequency of the letter 'i'

Answer: 4


Question: Sentence: 'two baseball teams are seen playing a game'. Find frequency of the letter 't'

Answer:
2