user
Given a cartoon image and a caption. Caption: Is the funny voice really worth all this trouble? Question: Generating an explanation of why this image/caption combination is funny. Answer: 
assistant
When people inhale helium, their voice becomes high pitched and funny. Also, helium is lighter than air, and thus levitates what it fills like balloons. The man has inhaled helium because he wants a funny voice, but the doctor is worried about his weightlessness from a medical perspective.