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

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

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