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

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

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