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

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

*GRAMMAR*
wif -> YELLOW 
 dax -> PURPLE 
 gazzer -> RED 
 kiki -> GREEN 
 x1 lug x2 -> [x2] [x1] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 