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

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

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