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

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

*GRAMMAR*
tufa -> GREEN 
 lug -> BLUE 
 fep -> PURPLE 
 zup -> PINK 
 u1 kiki u2 -> [u1] [u2] 
 x1 dax x2 -> [x1] [x2] [x2] [x1] 
 u1 wif x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 