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

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

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