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

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

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