Question:
In the 19th century, Borneo remained relatively undeveloped.

Does it follow that "By the 19th century, Borneo became extremely developed with state of the art streets and infrastructure."?
Answer:
no

Question:
Celeste made her strange sign again and whispered to herself.

Does it follow that "Celeste encouraged herself softly."?
Answer:
it is not possible to tell

Question:
He grimaced at the ruined sky.

Does it follow that "He frowned at the destroyed sky."?
Answer:
yes

Question:
A platform came into view, then shot into the distance.

Does it follow that "A platform shot off in to the sky."?
Answer:
yes