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 grapefruit, toast, coffee and other items are on a tray'. Find frequency of the letter 't'

Answer: 6


Question: Sentence: 'a man standing in front of a statue near a metal pole'. Find frequency of the letter 'f'

Answer: 2


Question: Sentence: 'the bride and groom are leaving the building'. Find frequency of the letter 'i'

Answer:
4