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

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

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