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

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

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