*SUPPORT*
IN: kiki gazzer OUT: RED RED
IN: dax dax kiki OUT: GREEN GREEN RED
IN: fep tufa gazzer zup OUT: PURPLE YELLOW YELLOW PURPLE YELLOW YELLOW
IN: dax wif dax OUT: GREEN GREEN
IN: kiki OUT: RED
IN: tufa tufa gazzer OUT: YELLOW YELLOW YELLOW
IN: dax wif kiki OUT: GREEN RED
IN: tufa zup zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax zup OUT: GREEN GREEN
IN: fep wif fep OUT: PURPLE PURPLE
IN: fep OUT: PURPLE
IN: tufa tufa wif kiki OUT: YELLOW YELLOW RED
IN: tufa OUT: YELLOW
IN: dax kiki gazzer zup OUT: GREEN RED RED GREEN RED RED

*QUERY*
IN: dax OUT: GREEN
IN: dax wif fep OUT: GREEN PURPLE
IN: tufa wif tufa OUT: YELLOW YELLOW
IN: kiki wif dax OUT: RED GREEN
IN: dax gazzer OUT: GREEN GREEN
IN: fep gazzer OUT: PURPLE PURPLE
IN: kiki gazzer zup OUT: RED RED RED RED
IN: tufa kiki gazzer OUT: YELLOW RED RED
IN: kiki wif kiki OUT: RED RED
IN: tufa gazzer OUT: YELLOW YELLOW

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