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

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

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