Input: what ring shaped structure forms the lower portion of the larynx?

Output: Cricoid cartilage

Input: who was the first to reach the summit of mount everest?

Output: Sir Edmund Percival Hillary

Input: what is the length of varchar(max) in sql server?

Output: 2 gigabytes

Input: who is the current president of ecowas 2018?

Output:
Marcel Alain de Souza