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

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

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