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

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

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