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

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

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