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

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

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