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

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

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