1728
We report a case of intrathecal methotrexate neurotoxicity manifesting as left arm weakness and aphasia .
 adverse effect: aphasia, methotrexate; adverse effect: left arm weakness, methotrexate; adverse effect: neurotoxicity, methotrexate
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: aphasia, methotrexate; adverse effect: left arm weakness, methotrexate; adverse effect: neurotoxicity, methotrexate