Context: Death from laughter is a rare form of death, usually resulting from cardiac arrest or asphyxiation, caused by a fit of laughter. Instances of death by laughter have been recorded from the times of ancient Greece to the modern day.
 Question: can you have a heart attack from laughing Context: The basal ganglia (or basal nuclei) is a group of subcortical nuclei, of varied origin, in the brains of vertebrates including humans, which are situated at the base of the forebrain. Basal ganglia are strongly interconnected with the cerebral cortex, thalamus, and brainstem, as well as several other brain areas. The basal ganglia are associated with a variety of functions including: control of voluntary motor movements, procedural learning, routine behaviors or ``habits'' such as teeth grinding, eye movements, cognition, and emotion.
 Question: is the thalamus part of the basal ganglia Context: Persons driving into Canada must have their vehicle's registration document and proof of insurance.
 Question: do i need car registration to enter canada Context: While mentioned in passing throughout later seasons, Burke officially returns in the tenth season in order to conclude Cristina Yang's departure from the series.
 Question: does dr. burke come back to grey's anatomy
Yes
No
Yes
Yes