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

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

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