Of other reasons that were put forward and one of them was we did not have enough involvement early enough of local authorities in the contact tracing site. and indeed some people argued the testing site as well. we know they have been very involved recently so i don't want to use recent examples, this is simply about the period in the middle of last year. knowing what we know now, do you think there is an argument that if someone is more likely to comply with an isolation request if they are called up by someone locally who can then potentially check up locally rather than someone from a call...