Rigor may undergo a requirement.Logical formLearned from6 sentences. Hair may rise_up to rigors of the sun.Logical formLearned from6 sentences. Notebooks may withstand rigors of a road.Logical formLearned from6 sentences. Persons may go through a rigor of putting.Logical formLearned from6 sentences. A rigor may pertain-to a school.Logical formLearned from6 sentences. Rigors may pertain-to a (construction site).Logical formLearned from6 sentences. A sense can be constituted-of-or-filled-with rigor.Logical formLearned from6 sentences. A contract may be awarded without rigors of a marketplace.Logical formLearned from6 sentences. Rigors may pertain-to facilities.Logical formLearned from6 sentences. A lack of rigor may undermine (carbon offsettings).Logical formLearned from6 sentences. A rigor may pertain-to a project.Logical formLearned from6 sentences. Employees can be subject to rigors of (basic training).Logical formLearned from6 sentences. Rigors may pertain-to a regular season.Logical formLearned from6 sentences. A runner may survive rigors of competition.Logical formLearned from6 sentences. Rigors may pertain-to a battlefield.Logical formLearned from6 sentences.