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

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

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