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

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

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