A red biplane streaks across the sky leaving a white trail behind it.
A plane has been shot down in world war one.
Based on the sentence "A red biplane streaks across the sky leaving a white trail behind it.", is the sentence "A plane has been shot down in world war one." a true sentence?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Based on the sentence "A red biplane streaks across the sky leaving a white trail behind it.", is the sentence "A plane has been shot down in world war one." a true sentence?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant