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

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

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