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

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

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