Assertion: petitioner | /r/HasAspect | the burden
Facets:
Source sentences:
text: The petitioner has the burden of establishing his grounds for relief by a preponderance of the evidence.
text: The petitioner has the burden of providing proofs to demonstrate why a marriage may be considered invalid.
text: Once the government has done this, the petitioner has the burden of proving that he has not abused the writ.