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

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

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