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

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

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