Answer:
Narrator: But no one listened to her, because the god Apollo, who gave her the gift of prophecy in exchange for a promise she never fulfilled, caused her prophecies never to be believed.
Narrator: At that moment, the god Poseidon sends two giant sea serpents to strangle Laocoon and his sons. Cassandra also warns the Trojans.
Step-by-step explanation:
If something is hostile, it's unfriendly. You can talk about a hostile nation, a hostile takeover, a hostile remark, or a hostile attitude.