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

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

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