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

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

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