Conclusions:

All dogs being monkeys is a possibility.

Some Monkeys are Cats is a possibility

Statements:

Statements – 1: All dogs are cats. No cat is Pig. All Pigs are Monkeys.

Statements – 2: No Cat is dog. No dog is Monkey. No Monkey is pig.

Statements – 3: All dogs are cats. No dog is Pig. No cat is monkey.

Statements – 4: All Cats are dogs. No cat is Pig. No dog is Monkey.

Statements – 5: All dogs are cats. No cat is Monkey. All Pigs are Monkeys