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

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

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