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

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

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