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

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

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