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

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

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