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

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

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