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: 'three people in suits are standing and holding surfboards'. How many words start with the letter 's' in the sentence.
3

Sentence: 'a pole with two traffic signs on it in the daytime'. How many words start with the letter 't' in the sentence.
3

Sentence: 'a bright red vintage sports car is parked outside a set of shops while an onlooker glares'. How many words start with the letter 'r' in the sentence.

1