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 white toilet in a bathroom with white walls'. Count the number of consonants in the given sentence.
22

Sentence: 'an umbrella is displayed along with several other personal items'. Count the number of consonants in the given sentence.
34

Sentence: 'a group of ladies are having a toast with champagne'. Count the number of vowels in the given sentence.

18