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.

Sentence: 'a bathroom mirror reflecting a sink and bathtub'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'this kitchen has wooden cabinets and silver and black appliances'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'there are people under the umbrella  at the water'. How many words start with the letter 't' in the sentence.

3