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

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

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