*SUPPORT*
IN: fep wif gazzer fep OUT: RED RED RED RED RED
IN: blicket OUT: PURPLE
IN: blicket fep lug blicket OUT: PURPLE PURPLE RED
IN: fep OUT: RED
IN: blicket wif gazzer kiki lug kiki OUT: GREEN PURPLE PURPLE GREEN PURPLE PURPLE
IN: blicket wif OUT: PURPLE PURPLE
IN: kiki blicket blicket wif lug kiki OUT: GREEN GREEN PURPLE PURPLE PURPLE
IN: zup kiki gazzer blicket OUT: BLUE GREEN PURPLE BLUE GREEN
IN: kiki OUT: GREEN
IN: fep zup OUT: RED BLUE
IN: fep zup wif lug blicket OUT: PURPLE RED BLUE BLUE
IN: fep kiki wif gazzer zup OUT: RED GREEN GREEN BLUE RED GREEN GREEN
IN: kiki wif OUT: GREEN GREEN
IN: zup kiki wif lug kiki OUT: GREEN BLUE GREEN GREEN

*QUERY*
IN: zup fep lug fep lug fep OUT: RED RED BLUE RED
IN: blicket lug kiki OUT: GREEN PURPLE
IN: zup wif OUT: BLUE BLUE
IN: fep wif OUT: RED RED
IN: fep wif lug blicket OUT: PURPLE RED RED
IN: zup wif gazzer blicket OUT: BLUE BLUE PURPLE BLUE BLUE
IN: kiki fep kiki lug zup OUT: BLUE GREEN RED GREEN
IN: kiki blicket blicket wif OUT: GREEN PURPLE PURPLE PURPLE
IN: zup OUT: BLUE
IN: blicket blicket OUT: PURPLE PURPLE

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