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.

[EX Q]: Sentence: 'a woman walking up to a double decker bus that has stopped'. How many words start with the letter 'w' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a busy train yard packed with trains and tracks'. How many words start with the letter 't' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'the mare and her foal graze in the spring grass'. How many words start with the letter 't' in the sentence.
[EX A]:
2

