Which best summarizes the events from the poem contained in these lines?
"thee i would therefore
beg of thy bounty, bright-danish chieftain,
lord of the scyldings, this single petition:
not to refuse me, defender of warriors,
friend-lord of folks, so far have i sought thee,
that i may unaided, my earlmen assisting me,
this brave-mooded war-band, purify heorot."
king hrothgar asks beowulf to fight with his men against grendel.
grendel kills several of king hrothgar's men and steals his treasure.
beowulf says he will defeat grendel in exchange for great fortune.
beowulf asks king hrothgar to allow him and his men to destroy grendel.