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: 'dusty train passing through a dry mountain valley'. How many words start with the letter 'd' in the sentence.
2

Sentence: 'a man standing outdoors next to a dirt bike and atv'. How many words start with the letter 't' in the sentence.
1

Sentence: 'a baseball player preparing to tag another player out'. How many words start with the letter 'a' in the sentence.

2