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

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

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