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

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

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