Assertion: grain's protein | /r/AtLocation | barley
Facets:
Source sentences:
text: In genetically susceptible people, gluten (proteins found in wheat, barley, rye, oat, and related species and hybrids) can trigger coeliac disease.
text: Gluten intolerance, on the other hand, is the inability to process gluten, a protein found in specific grains like wheat, barley, and rye.