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

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

*GRAMMAR*
dax -> PINK 
 wif -> YELLOW 
 tufa -> RED 
 blicket -> BLUE 
 x1 kiki -> [x1] [x1] 
 x1 lug x2 -> [x1] [x1] [x2] 
 u1 fep u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 