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 man sitting on the floor of a living room while a child stands on a snowboard next to him'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'a bathroom that has a toilet and window in it'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'two traffic signs are shown on the street corner'. How many words start with the letter 't' in the sentence.

3