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

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

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