3 beginner cars to choose from and already headache

Hello as I wrote above I have currently 3 vehicles to choose from! Drive them my son (starter), who in turn has no connection to cars and learns out from summer! Which in turn means there should be as few problems as possible! Ok, that this is not excluded again in the price range up to 5000 € I know itself. But at least this should be minimized as far as possible according to experience values! So now the 3 candidates: 1: Seat Ibiza 1,2L 12V 3cylinders from 20 10, with 130000 km on the speedometer. However, at 94 000km ne new machine came in, that is currently 36 000 km on the clock! I guess on defective steering chain, but I can get that out on Saturday. 2: Renault Clio III 1.2 from 08/2009 with 83 000Km 8 times tired, top maintained, discs/clusters rear/front new 3: Ford Focus 1.6 (101PS) from 06/2009 with 122 000 km. First impression: Top maintenance condition, no rust! As far as the theoretical data is concerned! I can also say nothing about the whole chassis problem (lager, bushings blablabla…). All candidates move at the same level in price! How would they decide? Best regards Sven