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

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

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