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

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

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