looks like the first row is your best bet, its easy and helps relay the point.
Answer:
The battle takes place in an underwater cave; Beowulf wins.
Explanation:
After killing Grendel, Beowulf moves on to kill another monster - Grendel's mother. She lives in a cave under the lake and Beowulf goes there to fight her. Ultimately, after a very long fight, he manages to grab hold of a giant sword within the cave and pierces the monster's skin. As a result, Grendel's mother dies and Beowulf emerges victorious.
Take it in steps. Make sure you have periods first. Then check Capital letters. Then spelling. don't do it all at once! Makes it more confusing!