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: 'two giraffes standing next to some trees'. Find frequency of the letter 'f'

Answer: 2


Question: Sentence: 'a mixed bouquet of flowers in a glass vase set before a window'. Find frequency of the letter 'w'

Answer: 3


Question: Sentence: 'a giraffe is outside eating grass from a field'. Find frequency of the letter 'e'

Answer:
4