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

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

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