3344
Development of essential thrombocythemia in a patient treated with interferon alfa and pentostatin for hairy cell leukemia .
 adverse effect: thrombocythemia, interferon alfa; adverse effect: thrombocythemia, pentostatin
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: thrombocythemia, interferon alfa; adverse effect: thrombocythemia, pentostatin