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

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

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