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

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

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