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

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

*GRAMMAR*
zup -> YELLOW 
 dax -> PURPLE 
 wif -> GREEN 
 fep -> PINK 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 u1 tufa x1 -> [x1] [x1] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 