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

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

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