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

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

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