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

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

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