+ (void)removeResponse:(PSResponse *)response {
    [MagicalRecord saveWithBlockAndWait:^(NSManagedObjectContext * _Nonnull localContext) {
        PSResponse *resp = [PSResponse MR_findFirstByAttribute:@"responseId" withValue:[NSString stringWithFormat:@"%zd", response.responseId]];
        for (PSAnswer *answer in resp.answers) {
            [answer MR_deleteEntityInContext:localContext];
        }
        resp.responseStateRaw = kResponseStateDeleted;
    }];
}