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

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

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