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

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

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