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

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

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