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

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

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