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

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

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