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

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

*GRAMMAR*
gazzer -> RED 
 fep -> YELLOW 
 wif -> PINK 
 lug -> BLUE 
 x1 dax x2 -> [x2] [x1] 
 u1 zup -> [u1] [u1] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 