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

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

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