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

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

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