それはペンです。

N5 それ sore that, that one N5 ペン pen pen

N5 〜です desu Used at the end of a sentence, polite affirmative form, means to be depending on context N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information