Detailed Instructions: 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.
Problem:Sentence: 'in front of a yellow staircase are suitcases: a glass suitcase, a real suitcase, a suitcase-shaped concrete block, and a statue of a suitcase on its side'. Count the number of vowels in the given sentence.
Solution:
55