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

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

*GRAMMAR*
fep -> YELLOW 
 wif -> GREEN 
 gazzer -> RED 
 dax -> PINK 
 u1 lug -> [u1] [u1] 
 u1 tufa u2 -> [u1] [u1] [u2] [u2] 
 x1 zup x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 