text: The<unk>  preventive measures of<unk><unk>  include drinking clean water and maintaing hygiene.
option_0: Tropical sprue primary prevention
option_1: Stomatitis primary prevention
option_2: Ileus primary prevention
option_3: Ileus secondary prevention
option_4: Allergic colitis primary prevention
option_5: Stomatitis secondary prevention
option_6: Lactose intolerance secondary prevention
option_7: Ulcerative colitis primary prevention