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: 'older kitchen in need of repair and drinkable water'. How many words start with the letter 'k' in the sentence.
1

Sentence: 'a fire truck and an ambulance driving down the street'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'a man riding a motorcycle on a track'. How many words start with the letter 'a' in the sentence.

3