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

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

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