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

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

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