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

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

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