Medicine
https://openalex.org/C71924100
https://www.wikidata.org/wiki/Q11190
Valve replacement
https://openalex.org/C2780026749
https://www.wikidata.org/wiki/Q7912830
Stenosis
https://openalex.org/C2780007028
https://www.wikidata.org/wiki/Q2343082
Aortic valve replacement
https://openalex.org/C2776570981
https://www.wikidata.org/wiki/Q4413093
Surgery
https://openalex.org/C141071460
https://www.wikidata.org/wiki/Q40821
Confidence interval
https://openalex.org/C44249647
https://www.wikidata.org/wiki/Q208498
Aortic valve stenosis
https://openalex.org/C2781414266
https://www.wikidata.org/wiki/Q531019
Clinical endpoint
https://openalex.org/C203092338
https://www.wikidata.org/wiki/Q1340863
Stroke (engine)
https://openalex.org/C2780645631
https://www.wikidata.org/wiki/Q671554
Randomized controlled trial
https://openalex.org/C168563851
https://www.wikidata.org/wiki/Q1436668
Describing the process: infinitive of purpose
In order to investigate the effects of …
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Describing Methods section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Surgery".
Paper: "Unruptured intracranial aneurysms: natural history, clinical outcome, and risks of surgical and endovascular treatment"
Function: "Describing the process: infinitive of purpose".
Example Sentence: "In order to investigate the effects of …". [/INST]