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

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

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