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

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

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