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

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

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