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

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

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