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

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

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