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

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

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