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 sitting on a bench in front of a boat'. Count the number of vowels in the given sentence.

Answer: 13


Question: Sentence: 'a little kitten playing on a scratching mat'. Count the number of consonants in the given sentence.

Answer: 24


Question: Sentence: 'a baseball player standing nest to a base on a field'. Count the number of vowels in the given sentence.

Answer:
17