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

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

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