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

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

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