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

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

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