Which statement should be revised for a more formal tone?

a poseidon, god of the sea, and athena, goddess of war, fought for the city of athens. b poseidon threw his spear, which produced the spring of acropolis.
c amaltheia was kind of like a goat who fed zeus, which zeus was really happy about. in fact, he turned the goat’s horn into the horn of plenty.
d chronos was the ancient greek symbol of time. his appearance, a wise old man with a long beard, is similar to a current symbol, father time.
sisyphus the gods by disclosing secrets. he found himself forced to roll a heavy stone uphill, only to see it roll back once it reached the peak.