A (research team) may lead by prof.Logical formLearned from2 sentences. A project may be led by prof.Logical formLearned from2 sentences. A (prof designation) may pertain-to a mortar-board.Logical formLearned from2 sentences. Profs can be lazy.Logical formLearned from2 sentences. A laboratory may pertain-to prof.Logical formLearned from2 sentences. Prof may acknowledge that something-is-the-case.Logical formLearned from2 sentences. A draft may pertain-to prof.Logical formLearned from2 sentences. Friends can be with profs.Logical formLearned from2 sentences. A supervisor can be a prof.Logical formLearned from2 sentences. Prof may co-direct a (research group).Logical formLearned from2 sentences. Prof may begin.Logical formLearned from2 sentences. A (wife prof) may pertain-to a male.Logical formLearned from2 sentences. Prof may work on systems.Logical formLearned from2 sentences. Some speaker can be a prof.Logical formLearned from2 sentences. A job may pertain-to prof.Logical formLearned from2 sentences.