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

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

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