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

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

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