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

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

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