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

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

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