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

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

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