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

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

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