(Control samples) can be positive.Logical formLearned from13 sentences. A chemical composition may pertain-to samples.Logical formLearned from13 sentences. A sample can be constituted-of-or-filled-with high-school students.Logical formLearned from13 sentences. Samples can be linear.Logical formLearned from13 sentences. A need can be for samples.Logical formLearned from13 sentences. A (sample size) can be constituted-of-or-filled-with some persons.Logical formLearned from13 sentences. A sample may be expanded.Logical formLearned from13 sentences. Samples may pertain-to cards.Logical formLearned from13 sentences. (Tissue samples) may be tested.Logical formLearned from13 sentences. Samples can be constituted-of-or-filled-with applications.Logical formLearned from13 sentences. Some (core samples) may be took.Logical formLearned from13 sentences. Samples may be distributed.Logical formLearned from13 sentences. A sample may undergo an illumination.Logical formLearned from13 sentences. A sample can be under study.Logical formLearned from13 sentences. A sample can be constituted-of-or-filled-with genes.Logical formLearned from13 sentences.