Assertion: aardvark's burrow | /r/HasProperty | as long as 13 metres
Facets:
Source sentences:
text: Main burrows can be deep and extensive, have several entrances and can be as long as 13 metres.
text: Main burrows can be deep and extensive, have several entrances, and be 13m long.
text: Main burrows, which are used for breeding, can be deep and extensive, have several entrances and can be as long as 13 meters.
text: Main burrows can be deep and extensive, have several entrances and can be as long as 13 metres (43 ft).
text: Main burrows can be deep and extensive, have several entrances and can be as long as 13 metres (43 ft).