A threat can be from (particle collisions).Logical formLearned from13 sentences. A particle may be cited in a report.Logical formLearned from13 sentences. A particle may stay in air.Logical formLearned from13 sentences. Electrons may form new types of particles.Logical formLearned from13 sentences. A (pollution standard) can be for (soot particles).Logical formLearned from13 sentences. A soup can be constituted-of-or-filled-with particles.Logical formLearned from13 sentences. A particle can be in potential.Logical formLearned from13 sentences. Particles can be constituted-of-or-filled-with copper.Logical formLearned from13 sentences. A force can be on a particle.Logical formLearned from13 sentences. (Subatomic particles) may begin.Logical formLearned from13 sentences. Particles may be collected.Logical formLearned from13 sentences. A mix can be constituted-of-or-filled-with particles.Logical formLearned from13 sentences. Matter may consist of particles.Logical formLearned from13 sentences. A (particle physics laboratory) can be in a world-city.Logical formLearned from13 sentences. Levels may pertain-to particles.Logical formLearned from13 sentences.