Tools can be broken.Logical formLearned from59 sentences. An introduction can be to tools.Logical formLearned from59 sentences. (Marketing tools) may pertain-to a person.Logical formLearned from59 sentences. Tools can be low-level.Logical formLearned from59 sentences. Tools can be interpretive.Logical formLearned from58 sentences. Persons may have tools.Logical formLearned from58 sentences. Tools may evolve.Logical formLearned from58 sentences. (Search tools) may pertain-to persons.Logical formLearned from58 sentences. A person may get tools.Logical formLearned from58 sentences. A tool can be useful.Logical formLearned from58 sentences. Tools can be accurate.Logical formLearned from58 sentences. A tool may manifest usefulness.Logical formLearned from58 sentences. A product can be a tool.Logical formLearned from58 sentences. Tools can be in use.Logical formLearned from57 sentences. A (marketing tool) may pertain-to a person.Logical formLearned from57 sentences.