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Six days after starting acyclovir she exhibited signs of lithium toxicity .
 adverse effect: lithium toxicity, acyclovir; adverse effect: lithium toxicity, lithium
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:  lithium toxicity, acyclovir; lithium toxicity, lithium 
Answer:
 adverse effect: lithium toxicity, acyclovir; adverse effect: lithium toxicity, lithium