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 sitting in front of a giant slice of cheese pizza'. Find frequency of the letter 'e'

Answer: 4


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

Answer: 2


Question: Sentence: 'a grey and white cat lounging atop an open laptop'. Find frequency of the letter 'i'

Answer:
2