You are analysing a section of Youtube transcript from a financial channel, spot the companies/tickers discussed, if any. 
Requirements:
1. Present the result in json format
2. Return None if no company/ticker is found

Output format:

[
  {
    "company": "company1",
    "ticker": "ticker1"
  },
{
    "company": "company2",
    "ticker": "ticker2"
  },
{
    "company": "company3",
    "ticker": "ticker3"
  }
]

Input:

 ">> hi, how are you >> good. talk to me about -- i mean i remember controversies about the google bus years ago what's happening here? >> yeah, so several companies that contract with meta have basically said that starting in november they're going to be laying off a massive amount of drivers and workers related to the shuttle buses that commute in employees all around the headquarters of meta, all around san francisco bay and basically saying that it's due to their client of meta reducin"

Output: In your entire response, the letter v should appear less than 39.
user