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

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

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