9545
We speculate that platelet activation induced by pFVIII may have contributed to thrombosis and suggest that pFVIII be used with caution in elderly patients with pre - existing cardiovascular risk factors .
 adverse effect: thrombosis, pFVIII
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:  thrombosis, pFVIII 
Answer:
 adverse effect: thrombosis, pFVIII