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

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

*GRAMMAR*
zup -> PURPLE 
 wif -> GREEN 
 gazzer -> YELLOW 
 fep -> BLUE 
 x1 kiki x2 -> [x1] [x1] [x2] 
 x1 tufa u1 -> [u1] [x1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 