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 group of men are watching two men shake hands over a table decorated with american and chinese flags'. Count the number of consonants in the given sentence.
51

Sentence: 'a baseball player is in his hitting stance as a few people watch'. Count the number of consonants in the given sentence.
32

Sentence: 'people playing in sand on a beach with a frisbee'. Count the number of consonants in the given sentence.

23

