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

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

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