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 woman walking on a shore next to a river'. Find frequency of the letter 'v'

Answer: 1


Question: Sentence: 'a man with headphones on is hunched over a sink while being recorded'. Find frequency of the letter 'd'

Answer: 4


Question: Sentence: 'woman gives black dog a drink of water from blue plastic cup'. Find frequency of the letter 'u'

Answer:
2