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: 'man looking up at the ceiling while holding a flip phone'. How many words start with the letter 'h' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a red bench in the middle of a city street'. How many words start with the letter 't' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a person that is on a skateboard in the grass'. How many words start with the letter 'i' in the sentence.
[EX A]:
2