1910
The wide use of phenytoin during the recent tuberculosis epidemic makes it imperative to suspect this drug interaction in patients exhibiting clinical features that might be related to phenytoin toxicity .
 adverse effect: phenytoin toxicity, phenytoin; adverse effect: phenytoin toxicity, phenytoin
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: phenytoin toxicity, phenytoin; adverse effect: phenytoin toxicity, phenytoin