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

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

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