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 blue bench a house and some bushes'. How many words start with the letter 'b' in the sentence.
3

Sentence: 'a cat attentively watching a graphic on a television screen'. How many words start with the letter 't' in the sentence.
1

Sentence: 'an older man holds his tennis racket during a game'. How many words start with the letter 'm' in the sentence.

1