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

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

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