Need help on Convenient enemy

# Ogres are hiding in woods. Protect the peasants.
# The last word in the peasants' messages are a hint.

for x in range(8, 73, 16):
    hero.moveXY(x, 22)
    # Peasants know whom to summon.
    peasant = hero.findNearest(hero.findFriends())
    message = peasant.message
    if message:
        # Words are seaparated by whitespaces.
        words = message.split(" ")
        # "words" is an array of words from the "message".
        # Get the last word. It's the required unit type.
        # Summon the required unit type.

for i in range(len(hero.built)):
    unit = hero.built[i]
    # Command the unit to defend the unit's position.
    hero.command(unit, "defend", unit.pos)

# Defend the last point yourself:

I can do most of it, I just don’t know how to get the last word they said

Mayby, The Hints would hint some hint?)