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

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

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