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

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

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