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

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

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