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

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

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