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

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

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