(Summer olympics) may pertain-to a world-city.Logical formLearned from17 sentences. Preparations can be for a summer.Logical formLearned from16 sentences. A (summer signing) may pertain-to manager.Logical formLearned from16 sentences. A rainfall may pertain-to a summer.Logical formLearned from16 sentences. Rainfall can be in a summer.Logical formLearned from16 sentences. Summer can be warm.Logical formLearned from16 sentences. A summer may undergo transfers.Logical formLearned from16 sentences. Visitors can be in a summer.Logical formLearned from16 sentences. Summers can be in college.Logical formLearned from16 sentences. Some summer may be aged.Logical formLearned from16 sentences. A male may become a signing of a summer.Logical formLearned from16 sentences. A song may pertain-to a summer.Logical formLearned from16 sentences. (Summer induction ceremonies) can be annual.Logical formLearned from16 sentences. A (summer resort) can be in a country.Logical formLearned from16 sentences. A summer can be constituted-of-or-filled-with activity.Logical formLearned from16 sentences.