syllogism NET 2018

Question

If the proposition ‘domestic animals are hardly ferocious’ is taken to be false, which of the
following proposition/propositions can be claimed to be certainly true ? Select the correct
code :
Propositions :

1. All domestic animals are ferocious.
2. Most of the domestic animals are ferocious.
3. No domestic animal is ferocious.
4. Some domestic animals are non-ferocious.

Code :

1. (a) and (b)
2. (a) only
3. (c) and (d)
4. (b) only

Comments

Is it option 4 (b) only?