Defence

When attacked you must react, defensive moves require two words.Ducks, bends, leaps, runs, are not excepted.Since you are defending unless there is more then one, you do not have to use their name

For example

PA: "swings dagger towards throat"
PB: "ducks"
PA:"Ripps dagger across throat"
PA Hits, because PB used one word

PA: "Swings dagger towards throat"
PB: "Steps to Side"
PA: "Rips dagger across throat"