*SUPPORT*
IN: fep kiki lug blicket gazzer OUT: YELLOW PINK BLUE YELLOW
IN: lug kiki gazzer OUT: BLUE YELLOW
IN: zup lug OUT: RED BLUE
IN: fep zup OUT: PINK RED
IN: lug fep lug zup kiki zup OUT: BLUE PINK BLUE RED RED
IN: lug kiki zup blicket gazzer OUT: YELLOW BLUE RED YELLOW
IN: gazzer fep tufa gazzer OUT: YELLOW PINK PINK YELLOW YELLOW
IN: fep blicket zup OUT: RED PINK RED
IN: lug OUT: BLUE
IN: fep kiki lug OUT: PINK BLUE
IN: zup blicket lug OUT: BLUE RED BLUE
IN: lug zup OUT: BLUE RED
IN: lug blicket fep blicket fep OUT: PINK PINK BLUE PINK PINK
IN: fep lug blicket zup OUT: RED PINK BLUE RED

*QUERY*
IN: zup kiki gazzer OUT: RED YELLOW
IN: zup OUT: RED
IN: gazzer fep blicket fep OUT: PINK YELLOW PINK PINK
IN: lug blicket lug OUT: BLUE BLUE BLUE
IN: gazzer kiki gazzer blicket fep OUT: PINK YELLOW YELLOW PINK
IN: gazzer OUT: YELLOW
IN: lug kiki zup OUT: BLUE RED
IN: gazzer kiki lug OUT: YELLOW BLUE
IN: fep kiki zup OUT: PINK RED
IN: fep OUT: PINK

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