8638
Fracture of the femoral neck occurred in one patient during PSL therapy , although the relationship between the fracture and PSL therapy was uncertain .
 adverse effect: Fracture of the femoral neck, PSL
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: Fracture of the femoral neck, PSL