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

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

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