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

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

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