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

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

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