To do this, we've had to make recordings of people laughing, and we've had to do whatever it takes to make people laugh, and we got those same people to produce more posed, social laughter.
For at muliggøre det, har vi måttet lave optagelser af folk der ler, og vi måtte gøre hvad som helst for at få dem til at le, og de samme mennesker lo en mere opstillet, social latter.