Consider the given statement as true and decide which of the given conclusions can definitely be drawn from the given statements.
Statement:
No dog is a cat. Some cats are rats. All rats are pigs.
Conclusions:
1. All dogs are rats
2. All pigs are rats
3. Some pigs are cats
4. No pig is a dog

A

Only conclusion 4 follows

B

Only conclusion 3 follows

C

Only conclusion 1 and 3 follows

D

Only conclusion 1 and 2 follows