Which of the following is not true of the brainstem in general?

Which of the following is not true of the brainstem in general?

1. it connects the spinal cord to the thalamus and hypothalamus
2. damage to the brainstem is usually fatal
3. most of the cranial nerves enter or exit the brain via the brainstem
4. it is composed of the medulla, pons, and midbrain
5. * the brainstem is larger than the cerebellum but smaller than the cerebrum