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

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

*GRAMMAR*
tufa -> BLUE 
 dax -> YELLOW 
 wif -> RED 
 gazzer -> GREEN 
 u1 blicket u2 -> [u2] [u2] [u1] [u1] 
 x1 fep x2 -> [x2] [x1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 