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

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

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