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

[EX Q]: Sentence: 'a train station with a train sitting there waiting to be loaded'. How many words start with the letter 't' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'the horses are experiencing several points of viewm'. How many words start with the letter 'e' in the sentence.
[EX A]:
1