_____ wants _____ because _____ needs _____. _____ will get _____ unless _____ is fixed on _____, this will cause _____ to find the _____.
q1r wants q1s because q1e needs q1o. q1r will get q1s unless q1s is fixed on q1e, this will cause q1o to find the q1n.
r wants s because e needs o. r will get s unless s is fixed on e, this will cause o to find the n.