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

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

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