Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: What disease would we suspect in a young patient who reported a frequent history of dysphagia to solids and liquids with impaired food repeated, without clinical symptoms of pyrosis and in which multiple oral esophageal rings with normal mucosa (trachealized appearance) are observed in oral endoscopy?
Options: <1> Herpetic esophagitis. <2> Eosinophilic esophagitis. <3> Candidiasic esophagitis. <4> Cytomegalovirus esophagitis. <5> Adenocarcinoma of the esophagus.
Output:
2