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

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

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