text: The<unk>  (Greek χίασμα, "crossing", from the Greek χλαζειν 'to mark with an X', after the Greek letter 'Χ', chi) is the part of the brain where the<unk>  nerves partially cross.
option_0: Optic chiasm
option_1: Cochlear nuclei
option_2: Vestibular nuclei
option_3: Optic tract
option_4: Optic stalk
option_5: Cranial nerve nucleus
option_6: Trigeminal nerve nuclei
option_7: Olivary body