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

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

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