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

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

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