the teacher himself is; all his students are; the teacher himself is; are all his students; is the teacher himself; are all his students; is the teacher himself; all his students are;
the teacher himself is , all his students are the teacher himself is, are all his students is the teacher himself, are all his students is the teacher himself, all his students are
the teacher himself is; all his students are the teacher himself is; are all his students is the teacher himself ; are all his students is the teacher himself; all his students are
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