{"raw_statement":[{"iden":"problem statement","content":"Given a lowercase English letter $c$, determine whether it is a vowel. Here, there are five vowels in the English alphabet: `a`, `e`, `i`, `o` and `u`."},{"iden":"constraints","content":"*   $c$ is a lowercase English letter."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$c$"},{"iden":"sample input 1","content":"a"},{"iden":"sample output 1","content":"vowel\n\nSince `a` is a vowel, print `vowel`."},{"iden":"sample input 2","content":"z"},{"iden":"sample output 2","content":"consonant"},{"iden":"sample input 3","content":"s"},{"iden":"sample output 3","content":"consonant"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}