A form may be linked.Logical formLearned from22 sentences. Pollution may be linked to global warming.Logical formLearned from22 sentences. International terrorists may be linked to al-qaida.Logical formLearned from22 sentences. Some continents may be linked by events.Logical formLearned from22 sentences. Groups may be linked.Logical formLearned from22 sentences. Persons may link hands.Logical formLearned from22 sentences. A party may be linked with a group.Logical formLearned from22 sentences. An attack may be linked to work.Logical formLearned from22 sentences. An (extremist group) may be linked to a network.Logical formLearned from22 sentences. Islamic militants may be linked to al-qaeda.Logical formLearned from22 sentences. A highway may link some countries.Logical formLearned from21 sentences. Security may be linked.Logical formLearned from21 sentences. Persons may be linked to terrorism.Logical formLearned from21 sentences. A network may link (surveillance radar stations).Logical formLearned from21 sentences. Health may be linked.Logical formLearned from21 sentences.