Someone bumps into the cripple and his wheelchair starts moving. He falls between the platforms and can't get back up. Then he hears the train coming.
One of the friends tries to jump in and save him, but the other friend grabs him and says, "You're not supposed to go past the yellow line".
Many of the jokes are contributions from our users. If you find anything offensive and against our policy please report it here with a link to the page. We will do everything to make this an enjoyable platform for everyone.