text: <unk><unk><unk>  can be classified into occult, moderate and severe<unk>  based on the severity of<unk> .
option_0: Lower gastrointestinal bleeding classification
option_1: Gastrointestinal varices classification
option_2: Bleeding classification
option_3: Nausea and vomiting classification
option_4: Gastrointestinal perforation classification
option_5: Peptic ulcer classification
option_6: Asplenia classification
option_7: Bowel obstruction classification