instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'supplies and tools are arranged on the floor with a hard hat and bag'. Find frequency of the letter 'n'
answer:
4


question:
Sentence: 'small airplane in the process of taking off'. Find frequency of the letter 'e'
answer:
3


question:
Sentence: 'an indian elephant yaws as its trunk is sprayed'. Find frequency of the letter 'i'
answer:

4