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 man sitting in front of a laptop computer next to a child'. Find frequency of the letter 'e'

Answer: 2


Question: Sentence: 'a full plate of food that includes rice and broccoli and carrots'. Find frequency of the letter 's'

Answer: 2


Question: Sentence: 'a woman and man hold a kite with two children nearby'. Find frequency of the letter 'l'

Answer:
2