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

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

*GRAMMAR*
blicket -> YELLOW 
 dax -> BLUE 
 tufa -> GREEN 
 kiki -> PURPLE 
 u1 wif u2 -> [u2] [u2] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 zup x2 -> [x2] [x2] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 