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

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

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