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

*QUERY*
IN: wif fep tufa OUT: YELLOW RED YELLOW
IN: tufa OUT: YELLOW
IN: tufa blicket wif OUT: YELLOW PINK RED
IN: tufa wif fep tufa OUT: YELLOW YELLOW RED YELLOW
IN: blicket blicket fep dax OUT: PINK BLUE PINK BLUE
IN: tufa blicket OUT: YELLOW PINK
IN: dax fep wif OUT: RED BLUE RED
IN: wif wif wif OUT: RED RED RED
IN: blicket fep tufa OUT: YELLOW PINK YELLOW
IN: wif blicket wif OUT: RED PINK RED

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