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

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

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