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

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

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