Assertion: fish's food | /r/HasProperty | popular
Facets:
Source sentences:
text: Freshwater eels (unagi) and marine eels (conger eel, anago) are commonly used in Japanese cuisine; foods such as unadon and unajū are popular, but expensive.
text: Piranha fish are also a popular food, though if caught on a hook or line it may be attacked by other piranhas.