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

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

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