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

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

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