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

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

*GRAMMAR*
lug -> PURPLE 
 wif -> RED 
 zup -> GREEN 
 fep -> PINK 
 x1 gazzer -> [x1] [x1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 