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 person holding a cell phone in their hand'. How many words start with the letter 'h' in the sentence.
[A]: 2


[Q]: Sentence: 'a open fridge that has different items inside of it'. How many words start with the letter 'i' in the sentence.
[A]: 3


[Q]: Sentence: 'a tv screen showing the scene of a massive city flood'. How many words start with the letter 'a' in the sentence.
[A]:
2