5490
Caution with use of cimetidine in tolazoline induced upper gastrointestinal bleeding .
 adverse effect: upper gastrointestinal bleeding, cimetidine; adverse effect: upper gastrointestinal bleeding, tolazoline
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:  upper gastrointestinal bleeding, cimetidine; upper gastrointestinal bleeding, tolazoline 
Answer:
 adverse effect: upper gastrointestinal bleeding, cimetidine; adverse effect: upper gastrointestinal bleeding, tolazoline