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 yellow fire hydrant is placed in the grass'. How many words start with the letter 'i' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a man standing next to a car talking on the phone'. How many words start with the letter 't' in the sentence.
[EX A]: 3

[EX 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.
[EX A]:
3