*SUPPORT*
IN: dax zup fep zup lug fep OUT: BLUE GREEN RED GREEN
IN: dax kiki OUT: BLUE BLUE
IN: lug zup tufa zup dax fep OUT: RED PINK BLUE GREEN
IN: tufa wif dax OUT: BLUE PINK PINK PINK PINK
IN: lug wif dax OUT: BLUE RED RED RED RED
IN: fep zup lug OUT: GREEN RED
IN: lug dax OUT: RED BLUE
IN: lug OUT: RED
IN: dax OUT: BLUE
IN: fep lug OUT: GREEN RED
IN: fep OUT: GREEN
IN: dax tufa OUT: BLUE PINK
IN: fep kiki OUT: GREEN GREEN
IN: tufa lug zup lug kiki OUT: PINK RED RED PINK RED RED

*QUERY*
IN: dax fep OUT: BLUE GREEN
IN: tufa fep OUT: PINK GREEN
IN: lug tufa kiki OUT: RED PINK RED PINK
IN: tufa zup lug kiki OUT: PINK RED PINK RED
IN: dax lug OUT: BLUE RED
IN: tufa OUT: PINK
IN: fep fep OUT: GREEN GREEN
IN: tufa kiki OUT: PINK PINK
IN: dax zup tufa OUT: BLUE PINK
IN: fep dax zup fep OUT: GREEN BLUE GREEN

*GRAMMAR*
dax -> BLUE 
 lug -> RED 
 tufa -> PINK 
 fep -> GREEN 
 x1 kiki -> [x1] [x1] 
 x1 wif x2 -> [x2] [x1] [x1] [x1] [x1] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 