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

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

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