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

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

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