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

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

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