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

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

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