5492
Risperidone is a frequently used member of a new class of atypical antipsychotics - the serotonin - dopamine antagonists ( SDAs ) - due to its comparatively high efficacy and low D2/5HT2 binding ratio , which results in a low incidence of extrapyramidal side effects including tardive dyskinesia ( TD ) .
 adverse effect: tardive dyskinesia, Risperidone; adverse effect: TD, Risperidone
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:  tardive dyskinesia, Risperidone; TD, Risperidone 
Answer:
 adverse effect: tardive dyskinesia, Risperidone; adverse effect: TD, Risperidone