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

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

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