*SUPPORT*
IN: dax lug kiki OUT: BLUE PURPLE PURPLE
IN: dax tufa blicket tufa blicket tufa wif tufa OUT: YELLOW BLUE YELLOW YELLOW YELLOW
IN: tufa blicket fep lug blicket fep OUT: GREEN GREEN PURPLE YELLOW
IN: tufa blicket dax blicket fep lug OUT: GREEN PURPLE BLUE YELLOW
IN: dax dax dax kiki wif tufa OUT: YELLOW BLUE BLUE BLUE BLUE
IN: tufa kiki OUT: YELLOW YELLOW
IN: tufa wif tufa OUT: YELLOW YELLOW
IN: dax fep kiki OUT: BLUE GREEN GREEN
IN: dax blicket tufa OUT: YELLOW BLUE
IN: tufa blicket tufa lug blicket dax wif tufa OUT: YELLOW YELLOW BLUE PURPLE YELLOW
IN: tufa blicket fep tufa kiki OUT: GREEN YELLOW YELLOW YELLOW
IN: fep kiki wif lug OUT: PURPLE GREEN GREEN
IN: dax blicket fep lug wif dax OUT: BLUE GREEN PURPLE BLUE
IN: lug blicket tufa OUT: YELLOW PURPLE

*QUERY*
IN: lug OUT: PURPLE
IN: tufa dax wif tufa OUT: YELLOW YELLOW BLUE
IN: lug kiki OUT: PURPLE PURPLE
IN: tufa lug wif dax OUT: BLUE YELLOW PURPLE
IN: fep OUT: GREEN
IN: dax wif dax OUT: BLUE BLUE
IN: dax kiki OUT: BLUE BLUE
IN: dax blicket dax dax wif dax OUT: BLUE BLUE BLUE BLUE
IN: dax OUT: BLUE
IN: dax kiki wif lug OUT: PURPLE BLUE BLUE

*GRAMMAR*
fep -> GREEN 
 tufa -> YELLOW 
 dax -> BLUE 
 lug -> PURPLE 
 u1 kiki -> [u1] [u1] 
 u1 blicket x1 -> [x1] [u1] 
 x1 wif u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 