8401
We believe that this is the first report of secretory carcinoma of the endometrium associated with tamoxifen use .
 adverse effect: secretory carcinoma of the endometrium, 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:  secretory carcinoma of the endometrium, tamoxifen 
Answer:
 adverse effect: secretory carcinoma of the endometrium, tamoxifen