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

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

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