A list can be a sample.Logical formLearned from15 sentences. A person may have samples.Logical formLearned from15 sentences. A study can be constituted-of-or-filled-with (blood samples).Logical formLearned from15 sentences. Samples can be from a surface.Logical formLearned from15 sentences. A sample can be annual.Logical formLearned from15 sentences. A sample may include some students.Logical formLearned from15 sentences. A sample can be constituted-of-or-filled-with saliva.Logical formLearned from15 sentences. Samples can be constituted-of-or-filled-with stool.Logical formLearned from15 sentences. A sample can be constituted-of-or-filled-with publications.Logical formLearned from15 sentences. A (sample size) can be annual.Logical formLearned from15 sentences. Samples can be annual.Logical formLearned from15 sentences. A (soil sample) may be collected.Logical formLearned from15 sentences. Some households may submit (water samples).Logical formLearned from15 sentences. A sample can be daily.Logical formLearned from15 sentences. A (soil sample) may be took.Logical formLearned from15 sentences.