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

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

*GRAMMAR*
dax -> BLUE 
 kiki -> PINK 
 fep -> PURPLE 
 wif -> GREEN 
 u1 lug -> [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 u1 gazzer x1 -> [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 