*SUPPORT*
IN: dax zup OUT: GREEN GREEN
IN: wif gazzer OUT: BLUE PURPLE
IN: gazzer fep gazzer OUT: PURPLE PURPLE
IN: gazzer fep wif OUT: BLUE PURPLE
IN: dax dax OUT: GREEN GREEN
IN: dax wif tufa dax gazzer OUT: GREEN PURPLE GREEN BLUE
IN: lug fep lug OUT: PINK PINK
IN: gazzer OUT: PURPLE
IN: gazzer zup OUT: PURPLE PURPLE
IN: lug tufa wif fep dax OUT: GREEN BLUE PINK
IN: lug gazzer lug lug zup OUT: PINK PURPLE PINK PINK PINK
IN: dax fep wif OUT: BLUE GREEN
IN: lug tufa gazzer zup OUT: PURPLE PURPLE PINK
IN: dax tufa wif OUT: BLUE GREEN

*QUERY*
IN: dax fep lug OUT: PINK GREEN
IN: dax OUT: GREEN
IN: lug fep wif OUT: BLUE PINK
IN: dax gazzer fep wif OUT: GREEN BLUE PURPLE
IN: lug zup OUT: PINK PINK
IN: wif zup OUT: BLUE BLUE
IN: wif fep gazzer OUT: PURPLE BLUE
IN: wif fep lug OUT: PINK BLUE
IN: wif OUT: BLUE
IN: wif fep dax OUT: GREEN BLUE

*GRAMMAR*
dax -> GREEN 
 lug -> PINK 
 gazzer -> PURPLE 
 wif -> BLUE 
 x1 tufa x2 -> [x2] [x1] 
 u1 fep u2 -> [u2] [u1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 