*SUPPORT*
IN: dax gazzer tufa OUT: GREEN PURPLE
IN: dax gazzer fep gazzer tufa fep OUT: GREEN PINK PINK PURPLE
IN: lug gazzer tufa gazzer dax OUT: PURPLE GREEN YELLOW
IN: dax wif fep wif tufa OUT: GREEN PINK PURPLE
IN: tufa lug wif lug lug OUT: GREEN YELLOW YELLOW YELLOW
IN: fep OUT: PINK
IN: tufa wif lug OUT: YELLOW GREEN
IN: tufa dax gazzer fep lug tufa fep OUT: GREEN PINK YELLOW GREEN PINK PURPLE
IN: dax kiki dax OUT: PURPLE PURPLE
IN: fep gazzer dax OUT: PURPLE PINK
IN: lug OUT: YELLOW
IN: lug kiki fep OUT: PINK YELLOW
IN: tufa gazzer fep OUT: PINK GREEN
IN: dax tufa gazzer lug OUT: PURPLE YELLOW GREEN

*QUERY*
IN: dax dax kiki lug OUT: YELLOW PURPLE PURPLE
IN: lug kiki dax wif dax fep kiki dax OUT: PURPLE PURPLE PINK PURPLE YELLOW
IN: tufa OUT: GREEN
IN: lug kiki dax dax OUT: PURPLE PURPLE YELLOW
IN: fep gazzer dax kiki dax tufa OUT: PURPLE GREEN PURPLE PINK
IN: dax OUT: PURPLE
IN: lug kiki lug fep OUT: YELLOW PINK YELLOW
IN: fep wif dax tufa OUT: PURPLE GREEN PINK
IN: tufa gazzer fep dax OUT: PINK PURPLE GREEN
IN: tufa wif fep lug gazzer fep lug OUT: PINK PINK YELLOW YELLOW GREEN

*GRAMMAR*
fep -> PINK 
 tufa -> GREEN 
 lug -> YELLOW 
 dax -> PURPLE 
 u1 gazzer x1 -> [x1] [u1] 
 u1 wif x1 -> [x1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 