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 wedding cake with pink roses on a silver plate'. Find frequency of the letter 'a'

Answer: 4


Question: Sentence: 'some giraffes moving across a big grass field'. Find frequency of the letter 'e'

Answer: 3


Question: Sentence: 'a man wearing a hat standing next to a woman sitting down'. Find frequency of the letter 'm'

Answer:
2