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

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

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