Assertion: opportunity | /r/CapableOf | tackle its steepest slope
Facets:
value: after working through a martian winter
type: TEMPORAL
value: in march
type: TEMPORAL
Source sentences:
text: After working through a Martian winter, in March 2016, Opportunity tackled its steepest slope ever — a tilt of 32 degrees — while trying to reach a target on Knudsen Ridge, within the Marathon Valley region.