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

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

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