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.

Sentence: 'a person doing a trick in the water'. How many words start with the letter 'i' in the sentence.
1

Sentence: 'a husky is sleeping while wearing a green bandana'. How many words start with the letter 's' in the sentence.
1

Sentence: 'a stop sign with shadows of a hand a square and a hammer'. How many words start with the letter 's' in the sentence.

4