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

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

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