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

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

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