This sentence : Es spielt keine Rolle, ob Sie sich an sie erinnern können - is translateed as folllows: It doesn1t matter if you cant understand them… Where is the negation in the german sentence?
keine Rolle
In English it would sound like: “It plays no role”
Compare:
Es spielt eine Rolle = It plays a role
But just remember, “Es spielt keine Rolle” is used very often as “It doesn’t matter”.
erinnern = remember
verstehen = understand