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

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

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