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

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

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