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

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

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