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

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

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