from typing import List

def find_pairs(lst: List[int], target: int) -> List[Tuple[int, int]]:
    pairs = []
    for i, num in enumerate(sorted(set(lst))):
        if target - num not in lst:
            continue
        pairs.append((num, target - num))
    return pairs
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence