Statement: There is no reason to rule out the possibility of life on Mars. Therefore the exploration of that planet has to be undertaken.Assumptions:There is life on Mars.The search for life is the sufficient reason for space exploration.

Statement: There is no reason to rule out the possibility of life on Mars. Therefore the exploration of that planet has to be undertaken.
Assumptions:
There is life on Mars.
The search for life is the sufficient reason for space exploration.

Only assumption I is implicit

Only assumption II is implicit

Either I or II is implicit

Both I and II are implicit

Explanation:

Answer: Option D
Explanation:
According to the statement, the possibility of life on Mars cannot be ruled out. So, I is implicit. Also, the statement mentions that the planet should be explored to probe for any life present. So, II is also implicit.