text: <unk>  is a group of<unk>  conditions of the large intestine and, in some cases, the small intestine. It should not be confused with IBS, irritable bowel syndrome, which is less severe.
option_0: Inflammatory bowel disease
option_1: Crohn's disease
option_2: Irritable bowel syndrome
option_3: Allergic colitis
option_4: Ulcerative colitis
option_5: Drug-induced colitis
option_6: Chemical colitis
option_7: Microscopic colitis