With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Common examples of middleboxes include firewalls, which filter malicious traffic, and network address translators, which modify packets ' source and destination addresses.
text_B: Common examples of middleboxes include firewalls, which filter unwanted or malicious traffic, and network address translators, which modify packets' source and destination addresses.
neutral.