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

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

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