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: 'the baseball catcher walks towards the pitching mound'. How many words start with the letter 't' in the sentence.
[A]: 3


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


[Q]: Sentence: 'people that are walking on the sidewalk together'. How many words start with the letter 'w' in the sentence.
[A]:
1