Relevant video: https://www.youtube.com/watch?v=-N_RZJUAQY4
While looking for this video i also saw that the same dude made a video 4 years later with the first kids younger sister. She had a slightly different solution: https://www.youtube.com/watch?v=ZULuedsaB9U
not pull the lever, roll the guy on the one track over so he's with the five and now it's six, then lay down and make it seven, then release the trolley.
is that answer acceptable?
this is the wey