nd out indices of the tokens you want to alter
>>> pipe.get_indices(prompt)
{0: '<|startoftext|>', 1: 'a</w>', 2: 'cat</w>', 3: 'and</w>', 4: 'a</w>', 5: 'frog</w>', 6: '<|endoftext|>'}

>>> token_indices = [2, 5]
>>> seed = 6141
>>> generator = torch.Generator("cuda").manual_seed(seed)

>>> images = pipe(
...     prompt=prompt,
...     token_indices=token_indices,
...     guidance_scale=7.5,
...     generator=generator,
...     num_inference_s