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

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

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