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

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

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