An activity may pertain-to bacteria.Logical formLearned from17 sentences. Bacteria can be on skin.Logical formLearned from17 sentences. Illness may be caused by bacteria.Logical formLearned from17 sentences. A drug can be effective at killing (latent bacteria).Logical formLearned from17 sentences. Proteins can be from bacteria.Logical formLearned from17 sentences. A broad spectrum can be constituted-of-or-filled-with bacteria.Logical formLearned from17 sentences. Bacteria can be in humans.Logical formLearned from17 sentences. Higher levels can be constituted-of-or-filled-with bacteria.Logical formLearned from17 sentences. Bacteria may cause ulcers.Logical formLearned from17 sentences. (Gut bacteria) can be friendly.Logical formLearned from17 sentences. Bacteria may produce chemicals.Logical formLearned from17 sentences. Bacteria may undergo an identification.Logical formLearned from17 sentences. A person may kill bacteria.Logical formLearned from17 sentences. Food can be for bacteria.Logical formLearned from17 sentences. Infectious diseases may be caused by bacteria.Logical formLearned from17 sentences.