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

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

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