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: 'flowers are landscaped to make a design of a clock'. Count the number of consonants in the given sentence.
25

Sentence: 'a dog and a cat lay on a bed'. Count the number of consonants in the given sentence.
11

Sentence: 'a man on skis stands on a snowy road'. Count the number of consonants in the given sentence.

18