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

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

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