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 truck with a camper sits parked in some vegetation'. Find frequency of the letter 's'

Answer: 3

Question: Sentence: 'the skateboarder is jumping over a huge statue of a shoe'. Find frequency of the letter 'i'

Answer: 2

Question: Sentence: 'a full food pantry is pictured in this image'. Find frequency of the letter 't'

Answer:
3