text: In the following you will be presented with multiple choices between two options D and I.
  Please name which option you would prefer by pressing the corresponding key.
  
  You have the choice between receiving 500$ immediately (press D) or receiving 550$ in one year (press I). You press <<D>>.
  You have the choice between receiving 500$ immediately (press D) or receiving 600$ in one year (press I). You press <<I>>.
  You have the choice between paying 500$ immediately (press D) or paying 550$ in one year (press I). You press <<D>>.
  You have the choice between paying 500$ immediately (press D) or paying 510$ in one year (press I). You press <<I>>.
  You have the choice between receiving 5000$ immediately (press D) or receiving 5500$ in one year (press I). You press <<I>>.
  You have the choice between receiving 5000$ immediately (press D) or receiving 5100$ in one year (press I). You press <<D>>.
  You have the choice between receiving 500$ in one year (press D) or receiving 600$ in two years (press I). You press <<D>>.
  You have the choice between receiving 500$ immediately (press D) or receiving 700$ in two years (press I). You press <<D>>.
  You have the choice between receiving 500$ immediately (press D) or receiving 600$ in one year (press I). You press <<D>>.
  You have the choice between reduce 500$ immediately (press D) or reduce 600$ in one year (press I). You press <<D>>.