In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.

[EX Q]: Sentence: 'a person is sitting in the grass on a motorcycle'. How many words start with the letter 'i' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a person standing on a tennis court holding a tennis racket'. How many words start with the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a pug dog stretches out on her masters bed'. How many words start with the letter 'm' in the sentence.
[EX A]:
1