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

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

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