Assertion: meerkat's mob | /r/HasProperty | formed
Facets:
Source sentences:
text: New meerkat mobs are formed when lone females run into stray males and create their own social groups from scratch.
text: Intruders can either be rival mobs, newley formed mobs looking for a territory or small bands of roving males that either temporarily or permanently leave their natal mobs looking for females from other mobs.