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 woman in a black tennis outfit playing tennis on a red clay court'. How many words start with the letter 'r' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'there is a chocolate muffin on the plate'. How many words start with the letter 'i' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a kitchen with marble counter tops and black appliances'. How many words start with the letter 'a' in the sentence.
[EX A]:
3