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

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

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