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

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

*GRAMMAR*
dax -> RED 
 tufa -> PURPLE 
 zup -> GREEN 
 kiki -> PINK 
 u1 fep u2 -> [u1] [u2] [u1] [u2] 
 x1 lug -> [x1] [x1] [x1] 
 x1 wif u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 