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 clock tower sitting on the side of a walkway'. How many words start with the letter 't' in the sentence.
[A]: 2


[Q]: Sentence: 'two pizzas sitting on top of a pan on a counter'. How many words start with the letter 'p' in the sentence.
[A]: 2


[Q]: Sentence: 'lady looking at a giant blow up mobile phone'. How many words start with the letter 'a' in the sentence.
[A]:
2