private IDisposable ShouldRecogniseFaceWhenButtonClicked()
{
return(Observable
.Merge(
_ian.Select(_ => "ian"),
_rachel.Select(_ => "rachel"),
_mia.Select(_ => "mia"),
_max.Select(_ => "max"),
_alan.Select(_ => "alan"),
_notAFace.Select(_ => "none"))
.WithLatestFrom(_face, (person, face) => (Person: person, Face: face))
.SelectMany(tuple => _dataProvider.Recognise(tuple.Face.Id, _userId, tuple.Person, 1f))
.Subscribe(_recognised));
}
