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.

[Q]: Sentence: 'a kitchen filled with appliances and cooking utensils'. How many words start with the letter 'a' in the sentence.
[A]: 3

[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.
[A]: 1

[Q]: Sentence: 'a group of boats floating in the ocean next to a dirty walkway'. How many words start with the letter 't' in the sentence.
[A]:
2