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: 'looking through a detailed window at a clock'. How many words start with the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a lady playing a game of tennis on a green and blue court'. How many words start with the letter 'l' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a jar with some toothbrushes and toothpaste tubes in it'. How many words start with the letter 'i' in the sentence.
[EX A]:
2