13544
Ritonavir acted as a CYP3A4 inhibitor , diminishing carbamazepine metabolism and provoking an increase in serum levels and clinical toxicity .
 adverse effect: clinical toxicity, Ritonavir; adverse effect: diminishing carbamazepine metabolism, Ritonavir; adverse effect: increase in serum levels, Ritonavir
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:  clinical toxicity, Ritonavir; diminishing carbamazepine metabolism, Ritonavir; increase in serum levels, Ritonavir 
Answer:
 adverse effect: clinical toxicity, Ritonavir; adverse effect: diminishing carbamazepine metabolism, Ritonavir; adverse effect: increase in serum levels, Ritonavir