In the following questions, a set of statements is followed by some conclusions, one of which definitely does not follow (or is not a possibility of occurrence). Choose that conclusion as the answer.
Statements:
Some ponds are disks.
Some disks are legs.
All legs are lans.
All lans are umpires.
Conclusions:
a)
No umpire is a pond
b)
All umpires being legs is a possibility.
c)
No umpire is a leg.
d)
Some lans are legs
e)
None of these
Correct answer is option 'C'. Can you explain this answer?