*SUPPORT*
IN: fep blicket tufa OUT: BLUE PURPLE PURPLE PURPLE
IN: fep dax tufa dax wif dax lug OUT: GREEN RED RED PURPLE PURPLE BLUE BLUE
IN: lug fep dax wif blicket tufa OUT: GREEN RED PURPLE PURPLE PURPLE BLUE BLUE
IN: lug lug dax lug lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: tufa OUT: PURPLE
IN: wif blicket lug gazzer OUT: RED GREEN GREEN GREEN RED GREEN GREEN GREEN
IN: lug wif dax lug dax lug OUT: GREEN GREEN GREEN GREEN RED RED
IN: lug wif OUT: GREEN RED
IN: fep dax lug dax wif OUT: RED GREEN GREEN BLUE BLUE
IN: wif OUT: RED
IN: wif tufa dax wif blicket lug OUT: RED RED GREEN GREEN GREEN PURPLE PURPLE
IN: tufa dax tufa gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep OUT: BLUE
IN: fep tufa OUT: BLUE PURPLE

*QUERY*
IN: lug blicket wif OUT: GREEN RED RED RED
IN: lug blicket lug gazzer OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep blicket wif OUT: BLUE RED RED RED
IN: wif wif wif blicket tufa OUT: RED RED RED PURPLE PURPLE PURPLE
IN: fep lug gazzer OUT: BLUE GREEN BLUE GREEN
IN: tufa blicket fep OUT: PURPLE BLUE BLUE BLUE
IN: fep dax lug OUT: GREEN BLUE BLUE
IN: tufa gazzer OUT: PURPLE PURPLE
IN: lug tufa blicket tufa OUT: GREEN PURPLE PURPLE PURPLE PURPLE
IN: lug blicket lug OUT: GREEN GREEN GREEN GREEN

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