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 man sitting in a living room next to other people'. How many words start with the letter 'r' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a toddler looking up at a colorful kite in the sky'. How many words start with the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a brown house sticking its head between the boards of a fence'. How many words start with the letter 'i' in the sentence.
[EX A]:
1