3550
The NZ Pharmacovigilance Centre has received 7 additional reports of severe infections in patients with RA taking leflunomide .
 adverse effect: severe infections, leflunomide
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: severe infections, leflunomide