In human body, which one of the following is anatomically correct?

Floating ribs-2 pairs $\left(11^{\text{th }}\right.$ and $12^{\text{th }}$ pairs; called so because they are not attached to sternum) Clavicle/Collar bones-1 pairs Salivary glands-3 pairs (parotid, submandibular, and sublingual) Cranial nerves-12 pairs Caution Mnemonics for cranial nerves: Some Say Money Matter But My Brother Say Big Brains Matter More (where S-Sensory, M-Motor, B-both)