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

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

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