(News reports) may pertain-to yesterday.Logical formLearned from2 sentences. A (plea hearing) may pertain-to yesterday.Logical formLearned from2 sentences. A (helicopter crash) may pertain-to yesterday.Logical formLearned from2 sentences. A breach may pertain-to yesterday.Logical formLearned from2 sentences. An undocking may pertain-to yesterday.Logical formLearned from2 sentences. Yesterday may disappear.Logical formLearned from2 sentences. Energy may pertain-to yesterday.Logical formLearned from2 sentences. A (lab work) may pertain-to yesterday.Logical formLearned from2 sentences. Facilities may pertain-to yesterday.Logical formLearned from2 sentences. A (bus bombing) may pertain-to yesterday.Logical formLearned from2 sentences. Yesterday may be stated.Logical formLearned from2 sentences. Stories may pertain-to a yesterday.Logical formLearned from2 sentences. A flotsam may pertain-to yesterday.Logical formLearned from2 sentences. A (lead item) may pertain-to yesterday.Logical formLearned from2 sentences. Events may pertain-to (yesterday morning).Logical formLearned from2 sentences.