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

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

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