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: 'the door on a small fridge is open'. Count the number of consonants in the given sentence.
16

Sentence: 'there is a picture guide to making chocolate cake'. Count the number of consonants in the given sentence.
22

Sentence: 'a woman standing on tennis court with a tennis racket'. Count the number of consonants in the given sentence.

28