*SUPPORT*
IN: fep OUT: PURPLE
IN: kiki fep wif dax OUT: GREEN PURPLE BLUE GREEN PURPLE BLUE
IN: fep zup dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: kiki OUT: GREEN
IN: wif zup OUT: BLUE BLUE
IN: blicket OUT: PINK
IN: kiki fep blicket fep fep zup OUT: GREEN PURPLE PINK PURPLE PURPLE PURPLE
IN: blicket dax OUT: PINK PINK
IN: wif OUT: BLUE
IN: blicket zup dax OUT: PINK PINK PINK PINK
IN: blicket zup OUT: PINK PINK
IN: kiki zup OUT: GREEN GREEN
IN: wif lug wif zup dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif zup dax OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: fep blicket zup OUT: PURPLE PINK PINK
IN: wif lug blicket dax OUT: PINK BLUE PINK BLUE
IN: wif lug blicket dax dax OUT: PINK BLUE PINK BLUE PINK BLUE PINK BLUE
IN: kiki zup lug blicket dax OUT: PINK GREEN GREEN PINK GREEN GREEN
IN: fep zup OUT: PURPLE PURPLE
IN: wif fep zup dax OUT: BLUE PURPLE PURPLE BLUE PURPLE PURPLE
IN: wif dax OUT: BLUE BLUE
IN: fep fep blicket zup OUT: PURPLE PURPLE PINK PINK
IN: blicket dax lug kiki OUT: GREEN PINK PINK
IN: fep dax lug wif OUT: BLUE PURPLE PURPLE

*GRAMMAR*
fep -> PURPLE 
 wif -> BLUE 
 blicket -> PINK 
 kiki -> GREEN 
 x1 dax -> [x1] [x1] 
 u1 zup -> [u1] [u1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 