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

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

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