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

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

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