<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Comparison Of Tegoprazan And Lansoprazole In Patients With Erosive Esophagitis:A Multicenter, Randomized, Double-Blind, Active-Comparator Phase 4 Trial[/INST] Yes</s>