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

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

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