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

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

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