Is the group of words a sentence or a run-on sentence?
the waves are big today, there may be a strong undertow.
a. sentence
b. run-on

b. and i with my fighting heart, i thought at

first / to steal up to him [the cyclops].   the cyclops’ actions first odysseus to take

action after killing his men and trapping in the cave revealed his intent of

doing them harm.   that is why odysseus

blinded him to enable him and his men to escape.

honestly, is this even a but since you asked, he's probably at the store trying to get you food.