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

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

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