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 couple of giraffe standing next to each other'. Count the number of vowels in the given sentence.
16

Sentence: 'a neon sign on the wall for a hamburger restaurant'. Count the number of consonants in the given sentence.
25

Sentence: 'a stop sign on  a street taken at night'. Count the number of consonants in the given sentence.

19