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

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

*GRAMMAR*
fep -> GREEN 
 wif -> RED 
 lug -> PURPLE 
 zup -> YELLOW 
 u1 blicket u2 -> [u1] [u2] 
 x1 dax x2 -> [x2] [x1] [x1] 
 x1 tufa -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 