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 woman tossing a frisbee on a sandy beach'. Count the number of consonants in the given sentence.
20

Sentence: 'two children siting on a small bed in a room'. Count the number of consonants in the given sentence.
22

Sentence: 'a cat is entangled in a bag strap'. Count the number of consonants in the given sentence.

16