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 Q]: Sentence: 'two guys talking on their cell phones while drinking'. Count the number of vowels in the given sentence.
[EX A]: 14

[EX Q]: Sentence: 'a red stop light attached to a concrete pole'. Count the number of consonants in the given sentence.
[EX A]: 22

[EX Q]: Sentence: 'a man looking at a train on the train track'. Count the number of vowels in the given sentence.
[EX A]:
14