Presence can be in_doubt.Logical formLearned from15 sentences. Presence of (bird flu) may be confirmed.Logical formLearned from15 sentences. A country may scale_back presence.Logical formLearned from15 sentences. A male may accept presence.Logical formLearned from15 sentences. Presence can be a boon.Logical formLearned from15 sentences. Presence may appear.Logical formLearned from15 sentences. Presence can be in a box.Logical formLearned from15 sentences. Presence may pertain-to a contaminant.Logical formLearned from15 sentences. Presence can be in province.Logical formLearned from15 sentences. Al-qaeda may establish presence.Logical formLearned from15 sentences. Presence of some troops can be essential for a security.Logical formLearned from15 sentences. A (military presence) can be enlarged.Logical formLearned from15 sentences. Resentment can be at a (military presence).Logical formLearned from15 sentences. Presence can be in negotiations.Logical formLearned from15 sentences. Presence may pertain-to a center.Logical formLearned from15 sentences.