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: 'the man is laying in bed taking his temperature'. How many words start with the letter 'i' in the sentence.
2

Sentence: 'this photo shows four copies of the same fire hydrant'. How many words start with the letter 't' in the sentence.
2

Sentence: 'two bears in a waterfall one on top of falls and one on bottom of the falls'. How many words start with the letter 'b' in the sentence.

2