Running on the grass does not necessarily mean chasing after a ball.
This justifies what answer for what question? Q & A: 
Can we conclude from "A dog in a red jacket is running on the grass." that "A dog is chasing after a ball."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell
Running on the grass does not necessarily mean chasing after a ball.
This justifies what answer for what question? Q & A: 
user
Can we conclude from "A dog in a red jacket is running on the grass." that "A dog is chasing after a ball."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell
assistant
Running on the grass does not necessarily mean chasing after a ball.
This justifies what answer for what question? Q & A: 
Can we conclude from "A dog in a red jacket is running on the grass." that "A dog is chasing after a ball."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell