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

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

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