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

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

*GRAMMAR*
zup -> GREEN 
 wif -> PINK 
 kiki -> YELLOW 
 gazzer -> BLUE 
 x1 tufa -> [x1] [x1] 
 u1 fep -> [u1] [u1] 
 x1 dax x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 