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

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

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