A zebra is nibbling on some grass.
A zebra is swallowing the grass.
Is the premise "A zebra is nibbling on some grass." true if "A zebra is swallowing the grass."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Is the premise "A zebra is nibbling on some grass." true if "A zebra is swallowing the grass."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant