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

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

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