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

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

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