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

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

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