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

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

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