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

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

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