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 white sink and toilet in a wood floored bathroom'. How many words start with the letter 't' in the sentence.
1

Sentence: 'a man riding skis down the side of a snow covered ski slope'. How many words start with the letter 's' in the sentence.
5

Sentence: 'a paper bag with a picture of a hot dog on it'. How many words start with the letter 'o' in the sentence.

2