*SUPPORT*
IN: dax fep lug dax tufa OUT: PURPLE PURPLE PURPLE PINK PURPLE PURPLE PURPLE PINK
IN: fep kiki wif OUT: PINK GREEN
IN: fep blicket kiki blicket OUT: PINK RED RED
IN: blicket OUT: RED
IN: fep dax kiki dax OUT: PINK PURPLE PURPLE
IN: dax OUT: PURPLE
IN: fep tufa OUT: PINK PINK
IN: dax lug blicket tufa OUT: RED RED PURPLE RED RED PURPLE
IN: wif kiki wif OUT: GREEN GREEN
IN: wif fep kiki fep OUT: GREEN PINK PINK
IN: blicket kiki wif OUT: RED GREEN
IN: dax kiki wif OUT: PURPLE GREEN
IN: blicket dax kiki fep tufa OUT: RED PURPLE PINK RED PURPLE PINK
IN: dax kiki dax OUT: PURPLE PURPLE

*QUERY*
IN: dax fep OUT: PURPLE PINK
IN: wif lug fep OUT: PINK PINK GREEN
IN: fep kiki blicket OUT: PINK RED
IN: wif kiki dax lug fep tufa OUT: PINK PINK GREEN PURPLE PINK PINK GREEN PURPLE
IN: fep OUT: PINK
IN: blicket blicket fep kiki blicket lug dax OUT: PURPLE PURPLE RED RED PINK RED
IN: wif OUT: GREEN
IN: wif kiki fep OUT: GREEN PINK
IN: fep kiki fep OUT: PINK PINK
IN: blicket tufa OUT: RED RED

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