Assertion: tracker | /r/CapableOf | move around the patch of hard ground
Facets:
value: in order to find the spoor
type: PURPOSE
Source sentences:
text: When trackers come to hard, stony ground, where tracks are virtually impossible to discern, apart from the odd small pebble that has been overturned, they may move around the patch of hard ground in order to find the spoor in softer ground.