instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'different sets of luggage in a baggage claim area'. Find frequency of the letter 'r'
answer:
2


question:
Sentence: 'a few giraffes standing in a field looking around'. Find frequency of the letter 'e'
answer:
3


question:
Sentence: 'a street sign that has been bent sideways'. Find frequency of the letter 'n'
answer:

3