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 passanger train is coming down the tracks'. How many words start with the letter 't' in the sentence.
3

Sentence: 'a red passenger train traveling passed a large tourist building'. How many words start with the letter 't' in the sentence.
3

Sentence: 'a bathroom sink with two large sinks under a mirror'. How many words start with the letter 's' in the sentence.

2