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

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

*GRAMMAR*
zup -> PINK 
 gazzer -> RED 
 blicket -> GREEN 
 wif -> BLUE 
 u1 fep x1 -> [u1] [x1] 
 x1 kiki -> [x1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 