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

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

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