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

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

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