Direction: Some words have been left out in the following passage. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives:

Dogs have [1] ________ unique relationship with man’s evolutionary history — one of companionship. This poses  a moral dilemma of being responsible for their welfare but also confronting the vagaries of their evolution from wolves and their territorial instincts. While by no means a conundrum unique to India, much of the world has drawn the line by de-recognising the rights of stray animals: if leashed and registered, human custodians are [2] __________  to take care of them. If not, the state — as a last resort — is encumbered to euthanise them, in the interest of public health. The Prevention of Cruelty to Animals (PCA) Act and the Animal Birth Control (Dogs) Rules, 2001 (being updated), while aimed [3] __________  limiting the stray population, do nothing to improve public safety. The [4] __________  draft rules, or the Animal Birth Control Rules, 2022, only put forth procedural changes in sterilisation and vaccination, permit only “incurably ill and mortally  wounded” dogs to be euthanised, which is what existing rules permit, and make leaders of resident welfare associations responsible for feeding strays [5] __________  pockets. The PCA and ABC rules acknowledge that unchecked strays must be restrained.