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Because the combination of bleomycin and vinca alkaloids is commonly used for the treatment of AIDS - related Kaposi 's sarcoma , clinicians should be aware of the risk of provoking acral necrosis in patients who develop Raynaud 's phenomenon under chemotherapy .
 adverse effect: acral necrosis, bleomycin; adverse effect: Raynaud 's phenomenon, bleomycin
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:  acral necrosis, bleomycin; Raynaud 's phenomenon, bleomycin 
Answer:
 adverse effect: acral necrosis, bleomycin; adverse effect: Raynaud 's phenomenon, bleomycin