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

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

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