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

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

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