In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.
--------
Question: Sentence: 'a man working in a restaurant slicing pizza'. Count the number of vowels in the given sentence.

Answer: 14


Question: Sentence: 'a stop sign covered with snow in a snowstorm'. Count the number of consonants in the given sentence.

Answer: 24


Question: Sentence: 'a brown and grey brick wall with a poster and clock on it'. Count the number of vowels in the given sentence.

Answer:
14