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 lady mixes some things in a blender as people look on'. Find frequency of the letter 'i'

Answer: 3


Question: Sentence: 'a person with some scissors over a bowl'. Find frequency of the letter 's'

Answer: 6


Question: Sentence: 'a dog sitting on a couch while staring out a window'. Find frequency of the letter 'a'

Answer:
4