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

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

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