A (rating agency) may downgrade greek bonds to (junk status).Logical formLearned from4 sentences. A (credit rating downgrade) can be to (junk status).Logical formLearned from4 sentences. Stocks may downgrade greek bonds to (junk status).Logical formLearned from4 sentences. A junk can be harmless.Logical formLearned from4 sentences. A computer can be a piece of junk.Logical formLearned from4 sentences. A piece of (space junk) may cause damage to a ship.Logical formLearned from4 sentences. An (orbiting junk) can be dangerous.Logical formLearned from4 sentences. (Space junk) may circle the earth.Logical formLearned from4 sentences. Junk may clog_up an orbit.Logical formLearned from4 sentences. A crash of some satellites may generate tens of thousands of pieces of (space junk).Logical formLearned from4 sentences. An investors-service may lower (stock ratings) to (junk status).Logical formLearned from4 sentences. Some chunks can be constituted-of-or-filled-with junk.Logical formLearned from4 sentences. (Space junk) may arrive_ahead some hours.Logical formLearned from4 sentences. Ads may provide (junk food).Logical formLearned from4 sentences. (Junk food) can be for thought.Logical formLearned from4 sentences.