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

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

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