*SUPPORT*
IN: dax wif OUT: PURPLE GREEN
IN: fep fep fep lug OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep kiki zup lug OUT: BLUE BLUE YELLOW
IN: zup kiki dax lug OUT: PURPLE PURPLE BLUE
IN: dax OUT: PURPLE
IN: zup gazzer fep kiki wif gazzer fep lug OUT: YELLOW YELLOW GREEN YELLOW BLUE
IN: zup kiki wif gazzer fep OUT: YELLOW GREEN BLUE
IN: dax gazzer zup gazzer dax kiki zup lug OUT: BLUE BLUE PURPLE BLUE PURPLE
IN: zup kiki wif OUT: GREEN BLUE
IN: dax zup kiki wif lug OUT: PURPLE GREEN GREEN BLUE
IN: dax gazzer fep kiki wif OUT: GREEN YELLOW PURPLE
IN: wif wif gazzer fep lug OUT: GREEN YELLOW YELLOW GREEN
IN: dax kiki fep kiki wif gazzer zup lug OUT: BLUE BLUE GREEN YELLOW PURPLE
IN: fep OUT: YELLOW

*QUERY*
IN: wif gazzer zup OUT: BLUE GREEN
IN: wif OUT: GREEN
IN: fep kiki dax OUT: PURPLE YELLOW
IN: wif gazzer dax lug OUT: PURPLE PURPLE GREEN
IN: fep lug OUT: YELLOW YELLOW
IN: wif kiki fep OUT: YELLOW GREEN
IN: zup OUT: BLUE
IN: wif lug OUT: GREEN GREEN
IN: zup dax gazzer zup wif OUT: BLUE BLUE GREEN PURPLE
IN: dax kiki wif lug OUT: GREEN GREEN PURPLE

*GRAMMAR*
zup -> BLUE 
 fep -> YELLOW 
 dax -> PURPLE 
 wif -> GREEN 
 u1 kiki x1 -> [x1] [u1] 
 u1 lug -> [u1] [u1] 
 u1 gazzer x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 