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

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

*GRAMMAR*
dax -> PURPLE 
 lug -> GREEN 
 tufa -> RED 
 kiki -> PINK 
 u1 fep -> [u1] [u1] 
 u1 zup u2 -> [u1] [u2] 
 x1 wif x2 -> [x2] [x1] [x1] [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 