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

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

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