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

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

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