Question:
The Hittite Empire eventually collapsed following invasion from the west by the Achaeans, the Phrygians, and a mysterious force known only as the Sea People.

Does it follow that "The Hittite Empire finally collapsed due to invasion."?
Answer:
yes

Question:
As we have reported, the current Medicare program, without improvements, is ill-suited to serve future generations of Americans.

Does it follow that "With some changes to the structure, Medicare may be able to serve Americans better yet."?
Answer:
it is not possible to tell

Question:
The majority of the equipment used for an ACI system is produced from standard mechanical or electrical hardware that is sold for a wide range of purposes.

Does it follow that "All the equipment used for an ACI system is highly specialized."?
Answer:
no

Question:
Water gushes down from the mountains; some is diverted to hydro-electric stations, but a lot simply drains off into the sea, splashing off passing cars like a natural car wash or amusement-park ride.

Does it follow that "None of the water gushing down the mountains is diverted to hydro-electric stations."?
Answer:
no