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

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

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