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

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

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