668
Diagrams are common tools for representing complex concepts , relationships and events , often when it would be difficult to portray the same information with natural images .
 used for: Diagrams, complex concepts; used for: Diagrams, relationships; used for: Diagrams, events; conjunction: complex concepts, relationships; conjunction: relationships, events
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  Diagrams, complex concepts; Diagrams, relationships; Diagrams, events; complex concepts, relationships; relationships, events 
Answer:
 used for: Diagrams, complex concepts; used for: Diagrams, relationships; used for: Diagrams, events; conjunction: complex concepts, relationships; conjunction: relationships, events