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

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

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