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

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

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