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

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

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