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

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

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