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 cat inside a window looking out near another cat'. How many words start with the letter 'n' in the sentence.
[A]: 1


[Q]: Sentence: 'this is an image of a group of people in a city'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'two babies combing each others hair on the ground'. How many words start with the letter 't' in the sentence.
[A]:
2