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

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

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