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

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

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