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

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

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