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

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

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