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

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

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