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 lady is standing near a luggage stand at the air port'. Find frequency of the letter 'a'

Answer: 9


Question: Sentence: 'two pieces of pizza are served on a plate'. Find frequency of the letter 'v'

Answer:
1