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

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

*GRAMMAR*
fep -> RED 
 tufa -> PURPLE 
 lug -> GREEN 
 zup -> BLUE 
 u1 wif -> [u1] [u1] 
 x1 blicket -> [x1] [x1] 
 u1 dax u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 