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

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

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