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

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

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