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

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

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