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

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

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