What is the relationship between 'Axel Springer SE' and 'Axel Springer' in the context of the input sentence.
Options: founded by, parent organization, platform, stock exchange

In corporate news, Axel Springer SE SPR, +6.72% climbed 6.1% following a report in The Wall Street Journal that the German publisher is in talks to merge with ProSiebenSat.1 AG PSM, +0.12% Axel Springer said Tuesday that majority shareholder Friede Springer is intent on keeping control of the company.
founded by