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

*QUERY*
IN: wif dax blicket OUT: PINK GREEN YELLOW
IN: dax tufa OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif blicket tufa OUT: PINK YELLOW YELLOW YELLOW YELLOW YELLOW
IN: blicket tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup OUT: BLUE
IN: zup wif OUT: BLUE PINK
IN: zup tufa OUT: BLUE BLUE BLUE BLUE BLUE
IN: dax OUT: GREEN
IN: blicket OUT: YELLOW
IN: dax dax tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN

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