4278
Patients were observed on an inpatient basis for 18 to 24 hours , and vital signs , nausea , vomiting , retching , and appetite were assessed .
 Disease: nausea; Disease: vomiting
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: nausea; Disease: vomiting