*SUPPORT*
IN: lug OUT: GREEN
IN: wif OUT: PINK
IN: lug tufa dax zup OUT: GREEN BLUE GREEN BLUE GREEN BLUE GREEN BLUE
IN: gazzer lug zup OUT: RED GREEN RED GREEN RED GREEN RED GREEN
IN: wif fep gazzer OUT: RED PINK
IN: gazzer fep lug OUT: GREEN RED
IN: wif zup tufa lug OUT: PINK PINK PINK PINK GREEN
IN: lug lug fep lug fep wif tufa dax OUT: PINK GREEN GREEN GREEN BLUE
IN: dax gazzer tufa lug OUT: BLUE RED GREEN
IN: lug wif OUT: GREEN PINK
IN: gazzer fep gazzer tufa dax fep wif OUT: PINK RED RED BLUE
IN: gazzer lug OUT: RED GREEN
IN: gazzer tufa wif OUT: RED PINK
IN: lug lug fep dax fep dax OUT: BLUE BLUE GREEN GREEN

*QUERY*
IN: lug tufa dax OUT: GREEN BLUE
IN: dax tufa wif OUT: BLUE PINK
IN: lug gazzer fep dax OUT: BLUE GREEN RED
IN: lug zup tufa wif tufa gazzer tufa lug OUT: GREEN GREEN GREEN GREEN PINK RED GREEN
IN: wif lug OUT: PINK GREEN
IN: gazzer OUT: RED
IN: lug wif fep dax fep lug OUT: GREEN BLUE GREEN PINK
IN: wif fep lug OUT: GREEN PINK
IN: dax gazzer OUT: BLUE RED
IN: dax OUT: BLUE

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