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

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

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