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

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

*GRAMMAR*
lug -> BLUE 
 fep -> YELLOW 
 tufa -> RED 
 wif -> GREEN 
 u1 kiki x1 -> [u1] [x1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 