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

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

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