reintroduction

"Biologists studying wildlife observed a pack of wolves hunting deer in the forest, noting their complex social structure and hunting strategies. "

"My friend told me there was something in the box, but I didn't know what it was yet. "

"Let me introduce you to my friends."

"My sister is very helpful, especially when it comes to organizing things. "

"We backed up the data successfully, but the restore failed."

"The school's ecosystem is thriving, with supportive teachers, engaged students, and a positive environment. "

"He helped his grandfather cook breakfast."

"a successful use of medicine;  a successful experiment;  a successful enterprise"

"A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants."

"The zoo tried to make the animal's captivity comfortable, but it still missed its freedom. "

"The diplomats were advised not to interact with any foreign nationals except on official duty."

"The release of the trapped students from the burning building was a joyous occasion. "