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

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

*GRAMMAR*
blicket -> RED 
 dax -> PURPLE 
 tufa -> GREEN 
 fep -> YELLOW 
 x1 zup x2 -> [x1] [x2] 
 u1 lug u2 -> [u1] [u2] 
 u1 wif x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 