text: In the following you will be presented with multiple choices between two options S and U.
  Please name which option you would prefer by pressing the corresponding key.
  
  You have the choice between receiving 500$ immediately (press S) or receiving 550$ in one year (press U). You press <<U>>.
  You have the choice between receiving 500$ immediately (press S) or receiving 510$ in one year (press U). You press <<U>>.
  You have the choice between receiving 500$ immediately (press S) or receiving 505$ in one year (press U). You press <<S>>.
  You have the choice between paying 500$ immediately (press S) or paying 550$ in one year (press U). You press <<S>>.
  You have the choice between paying 500$ immediately (press S) or paying 510$ in one year (press U). You press <<S>>.
  You have the choice between paying 500$ immediately (press S) or paying 505$ in one year (press U). You press <<U>>.
  You have the choice between receiving 5000$ immediately (press S) or receiving 5500$ in one year (press U). You press <<S>>.
  You have the choice between receiving 5000$ immediately (press S) or receiving 6000$ in one year (press U). You press <<U>>.
  You have the choice between receiving 500$ in one year (press S) or receiving 510$ in two years (press U). You press <<S>>.
  You have the choice between receiving 500$ immediately (press S) or receiving 520$ in two years (press U). You press <<S>>.
  You have the choice between wait 500$ immediately (press S) or wait 510$ in one year (press U). You press <<U>>.
  You have the choice between reduce 500$ immediately (press S) or reduce 510$ in one year (press U). You press <<S>>.