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

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

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