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

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

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