*SUPPORT*
IN: dax gazzer OUT: PINK PINK
IN: lug fep dax OUT: PINK GREEN PINK
IN: lug dax fep lug OUT: GREEN GREEN PINK GREEN
IN: wif zup OUT: RED RED RED
IN: lug wif fep wif OUT: GREEN RED RED RED
IN: lug tufa fep lug OUT: GREEN GREEN BLUE GREEN
IN: wif wif fep wif OUT: RED RED RED RED
IN: lug fep wif OUT: RED GREEN RED
IN: tufa fep tufa OUT: BLUE BLUE BLUE
IN: lug fep lug OUT: GREEN GREEN GREEN
IN: tufa OUT: BLUE
IN: lug wif fep tufa OUT: GREEN BLUE RED BLUE
IN: lug OUT: GREEN
IN: tufa fep wif OUT: RED BLUE RED

*QUERY*
IN: tufa fep dax gazzer OUT: PINK BLUE PINK PINK BLUE PINK
IN: wif wif fep tufa OUT: RED BLUE RED BLUE
IN: dax OUT: PINK
IN: wif lug zup OUT: RED GREEN RED GREEN RED GREEN
IN: dax fep tufa OUT: BLUE PINK BLUE
IN: wif tufa fep tufa OUT: RED BLUE BLUE BLUE
IN: wif OUT: RED
IN: lug fep tufa OUT: BLUE GREEN BLUE
IN: dax fep wif OUT: RED PINK RED
IN: wif fep wif OUT: RED RED RED

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