Question: Are vinegar pickled cucumbers rich in lactobacillus?, Answer:No, Description of Lactobacillus: genus of bacteria, Fact1: Pickles made with vinegar are not probiotic and are simply preserved., Fact2: Pickles made through a soak in a salt brine solution begin to ferment because of lactobacillus. 
Step1: What natural process is lactobacillus associated with?, Step2: Do pickles made with vinegar undergo #1?, Wikipedia page for step 1: Lactobacillus, Wikipedia page for step 2: Pickles, not_definitive_answer: False, incorrect_answer: False