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.

Q: Sentence: 'a traffic light indicating green for the bicycle lane'. How many words start with the letter 'g' in the sentence.

A: 1
****
Q: Sentence: 'horses are being walked around a race track'. How many words start with the letter 't' in the sentence.

A: 1
****
Q: Sentence: 'a vine of bananas sit on a tree'. How many words start with the letter 'b' in the sentence.

A:
1
****