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

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

*GRAMMAR*
zup -> GREEN 
 dax -> PURPLE 
 tufa -> BLUE 
 fep -> PINK 
 x1 wif u1 -> [x1] [u1] [x1] [u1] 
 x1 lug -> [x1] [x1] 
 u1 kiki u2 -> [u2] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 