Table 3 Examples of acceptable and unacceptable replies to jokes featured in Fig 1

(a) Physical Joke

Acceptable responses

'The man is using the swing like a giant Newton's Cradle'

'The children are swinging against each other, like one of those desk toys'

Unacceptable responses

'The man is happy because the children are on swings'

'The man wants to send him on the end flying off the swing, so he gets hurt'

(b)Theory of mind joke

'The man thinks that someone is putting a gun in his back, but it's a guitar'

'The couple don't realise that they are making the man think he is being robbed'

Unacceptable responses

'The couple are waiting for a bus and the man is jumping to reach something'

'The couple are trying to push the man over with the guitar so that they can get on the bus first'