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

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

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