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

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

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