Context: Why do horses grind their teeth ? I feel as though it should be an indicator of pain or stress , yet he does n't seem to be in any pain and I ca n't figure out what might be stressing him . How can I get him to stop ? The noise is like nails on a chalkboard ... it gives me goosebumps !
Question: What may the narrator do with the horse ?
Option 0: They may extract their teeth .
Option 1: They may allow it to keep grinding its teeth .
Option 2: They may take them to the vet .
Option 3: They may leave them alone .
Answer: 2