*SUPPORT*
IN: tufa kiki wif OUT: PURPLE RED
IN: fep kiki lug OUT: YELLOW BLUE
IN: lug OUT: BLUE
IN: lug tufa kiki wif OUT: BLUE PURPLE RED
IN: tufa kiki wif gazzer fep OUT: PURPLE RED YELLOW
IN: tufa lug kiki tufa OUT: PURPLE BLUE PURPLE
IN: fep gazzer wif OUT: YELLOW RED
IN: wif lug kiki lug zup lug OUT: RED BLUE BLUE BLUE
IN: lug lug kiki wif OUT: BLUE BLUE RED
IN: wif kiki lug zup wif gazzer fep OUT: RED BLUE RED YELLOW
IN: tufa kiki tufa OUT: PURPLE PURPLE
IN: lug lug fep kiki tufa zup tufa OUT: BLUE BLUE YELLOW PURPLE PURPLE
IN: lug zup lug gazzer lug OUT: BLUE BLUE BLUE
IN: lug zup lug zup fep OUT: BLUE BLUE YELLOW

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

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