Assertion: biped's foot | /r/CapableOf | hit the ground
Facets:
value: after each other
type: TEMPORAL
Source sentences:
text: Skipping involves an aerial phase, but the two feet hit the ground immediately after each other, and the trailing foot changes after each step.
text: 1I) was designed to minimize energy loss that happens in human and robot walking when the foot hits the ground and when actuators actively brake movements and perform negative work.