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

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

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