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

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

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