Assertion: natural obstacle | /r/CapableOf | create obstruction
Facets:
value: despite previously clear route reconnaissance report
type: OTHER
value: suddenly
type: MANNER
Source sentences:
text: Some natural obstacles can be a result of climatic or soil activity such as deep snow that by covering all terrain makes safe traversing difficult and slow, or landslides that may create an obstruction suddenly despite previously clear route reconnaissance report.