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

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

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