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

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

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