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

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

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