Assertion: snail's tongue | /r/HasProperty | rough
Facets:
Source sentences:
text: Snails and slugs use a rough tongue called a radula – an organ much like a horny file – for rasping away at their food and scraping it into their mouths.
text: Snails are vegetarians, they will eat all sorts of fruits and vegetables (especially the rotten kind), grains and seeds, even dirt if there's nothing else, but don't give them any meat (their rough tongue does all the cutting)!