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

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

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