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

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

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