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

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

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