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

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

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