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

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

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