Most valid statement for making a policy-maker becoming a successful user of the HENVINET portal (multiple choice) 1 - The policy-maker can interact with a well-known scientist. 2 - The policy-maker can ask a question anonymously to protect his/her own identity. 3 - The policy-maker sees that there is a lot of content on the portal. 4 - The portal provides prepared answers to a range of specific policy issues. 5 - The portal responds within a day to a posed question by a policy-maker. 6 - The portal provides automated lists of topics which are placed on the website. 7 - Other reasons are more valid.