3507
OBJECTIVES : To describe clinical and pathologic findings in patients noted to develop lower gastrointestinal symptoms when exposed to rofecoxib .
 adverse effect: lower gastrointestinal symptoms, rofecoxib
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  lower gastrointestinal symptoms, rofecoxib 
Answer:
 adverse effect: lower gastrointestinal symptoms, rofecoxib