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

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

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