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 us air force sitting on a runway near a field'. How many words start with the letter 'a' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a view of kitchen missing everything except the microwave and top cabinets'. How many words start with the letter 'e' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a stoplight that is in the air over a track'. How many words start with the letter 't' in the sentence.
[EX A]:
3