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

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

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