In this task, you need to count the number of times the given letter appears in the given sentence.

Q: Sentence: 'an audience watches as a bird spreads its wings'. Find frequency of the letter 'd'

A: 3
****
Q: Sentence: 'there is no image here to provide a caption for'. Find frequency of the letter 'o'

A: 5
****
Q: Sentence: 'a clock in near the triangular roof of a large building'. Find frequency of the letter 'i'

A:
4
****