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

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

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