If "Dr. nava working on some mathematical equations on a blackboard." does that mean that "Dr. nava is doing math for a research prokect."?\nOptions:\n- yes\n- it is not possible to tell\n- no
Let's think step by step.
it is not possible to tell
Just because Dr.

Nava working on some mathematical equations on a blackboard does not mean that he is doing math for a research prokect.

.

Final answer: it is not possible to tell