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

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

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