A man has his mouth open.
A man is gritting his teeth.
Is the premise "A man has his mouth open." true if "A man is gritting his teeth."?

Options: 

 - yes

 - it is not possible to tell

 - no
no
Is the premise "A man has his mouth open." true if "A man is gritting his teeth."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
no
assistant