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

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

*GRAMMAR*
fep -> RED 
 wif -> GREEN 
 gazzer -> YELLOW 
 dax -> PURPLE 
 x1 lug -> [x1] [x1] [x1] 
 x1 zup x2 -> [x2] [x1] 
 u1 tufa x1 -> [x1] [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 