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: 'an older photograph of two men shaking hands near an airplane'. Count the number of vowels in the given sentence.
[EX A]: 19

[EX Q]: Sentence: 'some boys are wearing green and red vests and ties'. Count the number of vowels in the given sentence.
[EX A]: 16

[EX Q]: Sentence: 'a brown bear in the middle of grass with trees in the background'. Count the number of vowels in the given sentence.
[EX A]:
18