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

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

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