I would need more information but considering that tigers are still going extinct I would say those efforts have been a failure
We need to see the poem in order to answer
The green knight didn't kill Gawain
Through my research I found questions similar to this and found answer choices that would be your answer:
A) The Cyclops is warm and hospitable toward his guests.
B) The Cyclops cares for his neighbors’ well-being and advice.
C) The Cyclops does not follow typical rules of the civilized human world.
D) The Cyclops can survive only in the deep, dark caves on the island.
Between those answer choices above the correct answer choice would be letter choice C) or the third option.