3343
CONCLUSIONS : We report this case of the concomitant appearance of multiple skin cancers and nail changes associated with hydroxyurea use .
 adverse effect: multiple skin cancers, hydroxyurea; adverse effect: nail changes, hydroxyurea
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: multiple skin cancers, hydroxyurea; adverse effect: nail changes, hydroxyurea