Problem: Does "The results provide evidence that keeping pets may have positive effects on human health and behaviour, and that for guardians of dogs these effects are relatively long-term." answer the question "People with dogs do what more than people who have cats or no pets?"

A: no

Problem: Does "It is planned to begin serving global customers upon its completion in 2020." answer the question "What is the name of the second generation of BDS?"

A: no

Problem: Does "When a state withdraws from a multi-lateral treaty, that treaty will still otherwise remain in force among the other parties, unless, of course, otherwise should or could be interpreted as agreed upon between the remaining states parties to the treaty.[citation needed]" answer the question "Under what conditions could a single state's withdrawal result in the termination of a multilateral treaty?"

A:
yes