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In deciding if tamoxifen therapy is warranted , all potentially life - threatening adverse events associated with tamoxifen should be considered , including endometrial adenocarcinoma or uterine sarcoma .
 adverse effect: endometrial adenocarcinoma, tamoxifen; adverse effect: endometrial adenocarcinoma, tamoxifen; adverse effect: uterine sarcoma, tamoxifen; adverse effect: uterine sarcoma, tamoxifen
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:  endometrial adenocarcinoma, tamoxifen; endometrial adenocarcinoma, tamoxifen; uterine sarcoma, tamoxifen; uterine sarcoma, tamoxifen 
Answer:
 adverse effect: endometrial adenocarcinoma, tamoxifen; adverse effect: endometrial adenocarcinoma, tamoxifen; adverse effect: uterine sarcoma, tamoxifen; adverse effect: uterine sarcoma, tamoxifen