*SUPPORT*
IN: dax fep OUT: GREEN RED
IN: zup fep zup tufa kiki OUT: PURPLE RED PURPLE YELLOW PURPLE RED PURPLE YELLOW
IN: tufa fep zup OUT: YELLOW RED PURPLE
IN: zup kiki kiki blicket dax OUT: GREEN PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: GREEN
IN: fep OUT: RED
IN: tufa zup wif dax OUT: YELLOW PURPLE GREEN
IN: tufa OUT: YELLOW
IN: zup fep OUT: PURPLE RED
IN: zup kiki OUT: PURPLE PURPLE
IN: tufa zup OUT: YELLOW PURPLE
IN: zup wif fep kiki OUT: PURPLE RED RED
IN: fep dax kiki OUT: RED GREEN RED GREEN
IN: tufa tufa tufa fep kiki OUT: YELLOW YELLOW YELLOW RED YELLOW YELLOW YELLOW RED

*QUERY*
IN: dax dax kiki OUT: GREEN GREEN GREEN GREEN
IN: dax zup kiki kiki OUT: GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE
IN: zup zup fep blicket zup OUT: PURPLE PURPLE PURPLE RED
IN: zup fep kiki OUT: PURPLE RED PURPLE RED
IN: zup fep blicket tufa OUT: YELLOW PURPLE RED
IN: dax tufa OUT: GREEN YELLOW
IN: zup OUT: PURPLE
IN: tufa tufa kiki blicket dax OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: dax zup wif tufa tufa blicket tufa OUT: GREEN PURPLE YELLOW YELLOW YELLOW
IN: fep blicket dax blicket fep blicket dax OUT: GREEN RED GREEN RED

*GRAMMAR*
tufa -> YELLOW 
 zup -> PURPLE 
 fep -> RED 
 dax -> GREEN 
 x1 wif x2 -> [x1] [x2] 
 x1 blicket u1 -> [u1] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 