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 skateboarder skating down a steep hill marked with cones'. Count the number of consonants in the given sentence.

Answer: 31


Question: Sentence: 'two giraffe and two gazelle in dry vegetation'. Count the number of consonants in the given sentence.

Answer: 23


Question: Sentence: 'view of a plastic glass and a hand on a computer mouse'. Count the number of vowels in the given sentence.

Answer:
18