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

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

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