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

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

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