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.

Sentence: 'a person riding a motorcycle on sandy hills'. Count the number of consonants in the given sentence.
24

Sentence: 'a mirror is on a pole by a light'. Count the number of vowels in the given sentence.
10

Sentence: 'the flat screen television is being watched by a woman who is cupping her mouth'. Count the number of vowels in the given sentence.

24