Given the payoff table below

Probability

$0\mathrm{.}2$

$0\mathrm{.}5$

$0\mathrm{.}3$

S$1$

S$2$

S$3$

D$1$

$12$

$12$

$12$

D$2$

$5$

$50$

$-40$

D$3$

$15$

$10$

$5$

D$4$

$15$

$25$

$10$

Enter answers as D$1,$ D$2,$ D$3,$ D$4,$ S$1,$ S$2$ or S$3($one only per answer$)$

Using the optimistic $($maximax$)$ criteria the choice is