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

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

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