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

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

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