6767
PVT during chemotherapy in children is a rare event and appears to be closely related to intensive chemotherapy containing busulfan and to be associated with HVOD .
 adverse effect: HVOD, busulfan; adverse effect: PVT, busulfan
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:  HVOD, busulfan; PVT, busulfan 
Answer:
 adverse effect: HVOD, busulfan; adverse effect: PVT, busulfan