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.

Ex Input:
Sentence: 'two cows relax and graze in a large grassy pasture'. Count the number of consonants in the given sentence.

Ex Output:
26

Ex Input:
Sentence: 'a fire hydrant and bicycle are covered with snow as they stand next to each other near a street corner'. Count the number of consonants in the given sentence.

Ex Output:
53

Ex Input:
Sentence: 'a yellow toilet in a green stall in a public restroom'. Count the number of consonants in the given sentence.

Ex Output:
25