LONDON (ShareCast) - (ShareCast News) - A spike in ITV (LSE: ITV.L - news ) shares late in the trading session appeared to have been provoked by reports that Liberty Global (NasdaqGS: LBTYA - news ) 's billionaire chief John Mallone might be more minded to pursue the acquisition of small mobile networks now that a tie-up with Vodafone was off the table.
Take context from the input text and decide on the accurate relationship between 'Vodafone' and 'LONDON' from the options provided.
Options: employer, subsidiary, chief executive officer, headquarters location