*SUPPORT*
IN: zup gazzer fep kiki OUT: GREEN YELLOW GREEN YELLOW
IN: dax gazzer wif OUT: PURPLE BLUE
IN: wif gazzer fep OUT: GREEN PURPLE
IN: fep lug dax OUT: BLUE GREEN
IN: wif zup fep lug dax OUT: PURPLE YELLOW BLUE GREEN
IN: zup gazzer dax OUT: BLUE YELLOW
IN: fep lug wif OUT: PURPLE GREEN
IN: fep lug fep OUT: GREEN GREEN
IN: wif gazzer zup kiki OUT: YELLOW PURPLE YELLOW PURPLE
IN: wif lug wif kiki kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax fep kiki OUT: BLUE GREEN BLUE GREEN
IN: dax lug zup OUT: YELLOW BLUE
IN: zup gazzer wif OUT: PURPLE YELLOW
IN: fep OUT: GREEN

*QUERY*
IN: fep gazzer wif OUT: PURPLE GREEN
IN: fep fep wif gazzer fep OUT: GREEN GREEN GREEN PURPLE
IN: dax dax OUT: BLUE BLUE
IN: fep gazzer fep kiki kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax lug zup kiki OUT: YELLOW BLUE YELLOW BLUE
IN: dax OUT: BLUE
IN: fep wif lug zup kiki OUT: GREEN YELLOW PURPLE GREEN YELLOW PURPLE
IN: zup OUT: YELLOW
IN: zup lug wif OUT: PURPLE YELLOW
IN: dax fep lug zup kiki OUT: BLUE YELLOW GREEN BLUE YELLOW GREEN

*GRAMMAR*
fep -> GREEN 
 wif -> PURPLE 
 dax -> BLUE 
 zup -> YELLOW 
 x1 kiki -> [x1] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 