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.

[Q]: Sentence: 'a man on a green field throwing a baseball'. Count the number of vowels in the given sentence.
[A]: 14


[Q]: Sentence: 'a street is packed with people walking; many have umbrellas open'. Count the number of consonants in the given sentence.
[A]: 33


[Q]: Sentence: 'a green white and orange bus and a person and two bicycles'. Count the number of vowels in the given sentence.
[A]:
18