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

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

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