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

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

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