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

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

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