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

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

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