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

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

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