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

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

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