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: 'four men standing around two pizzas in a conference room'. Find frequency of the letter 't'

Answer: 2


Question: Sentence: 'a man in a sweatshirt is taking his own picture'. Find frequency of the letter 'u'

Answer: 1


Question: Sentence: 'a giraffe eating a bunch of green leaves'. Find frequency of the letter 'a'

Answer:
5