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One Monday morning , a student arrives at class and quickly discovers that the classroom is too warm . That is an observation that also describes a problem : the classroom is too warm . The student then asks a question : `` Why is the classroom so warm ? '' Recall that a hypothesis is a suggested explanation that can be tested . To solve a problem , several hypotheses may be proposed .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.