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

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

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