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

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

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