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

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

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