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

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

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