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

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

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