Replace the underlined words in the sentence with synonyms that carry the same meaning.
I can't comprehend the complexity of the task.
I can't fathom the intricacy of the task.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Replace the underlined words in the sentence with synonyms that carry the same meaning.

### Response:
I can't fathom the intricacy of the task.