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

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

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