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

*QUERY*
IN: kiki wif kiki OUT: RED RED
IN: tufa kiki OUT: GREEN RED
IN: fep kiki OUT: PURPLE RED
IN: fep OUT: PURPLE
IN: fep tufa wif zup OUT: PURPLE GREEN BLUE
IN: zup wif fep OUT: BLUE PURPLE
IN: kiki blicket zup OUT: RED BLUE RED RED RED
IN: kiki kiki OUT: RED RED
IN: tufa kiki wif tufa wif kiki OUT: GREEN RED GREEN RED
IN: tufa OUT: GREEN

*GRAMMAR*
zup -> BLUE 
 tufa -> GREEN 
 kiki -> RED 
 fep -> PURPLE 
 x1 blicket x2 -> [x1] [x2] [x1] [x1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 x1 wif u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 