Married at First Sight UK: Series 3

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Married at First Sight UK" Season 3.
Constraints:
Use ONLY provided synopsis and sources.
No invented titles, names, dates, episode counts, awards, ratings, box-office, viewership, or plot points.
Omit details not in the material.
Style: Original, neutral, encyclopedic prose in plain text.
Format: Valid JSON only. No markdown, no asterisks, no headings, no bullet points (except in the array for the primer, though the prompt says "no bullet points" in the prose instructions, but then asks for "4 concise bullet points" in the primer array. I will interpret "no bullet points" as a formatting instruction for the prose/text, but the JSON array structure inherently handles the list requirement).
Keys: overview (160-220 words), primer (array of exactly 4 concise points).
Source 1: "The show where couples get married on their first meeting returns".
Source 2: "Working with leading relationship experts, eight British singles are carefully match-made into four married couples, who each meet each other - for the very first time - at their wedding. We'll follow them as they marry, honeymoon, meet the in-laws and set up home, all the while getting to know one another more and mor".
Source 3: Cast and crew credits info.
Source 4: "Married at First Sight is a British reality television programme where strangers start a marriage-like relationship with each other, meeting only minutes before the ceremony and then going on honeymoon."
Constraint Check: The sources describe the general premise of the show. They do not contain specific information about "Season 3". They do not mention specific participants, specific season arcs, or specific plot points for Season 3.
Problem: The user asks for a summary of "Season 3". However, the provided sources only describe the general premise of the series. There is no mention of Season 3's specific details (who is in it, what happens, etc.).
Archivist Rule: "If a detail is not in the provided material, you omit it rather than guess." "Do not invent plot events or spoilers."
Conflict: If I write a summary of Season 3 using only these sources, I can only describe the general premise of the show, as the sources do not distinguish Season 3 from the series in general. However, the prompt asks for a "factual 160-220 word