彼(かれ)等(ら) kareraが ga君(きみ) kimiに niいった itta事(こと) kotoは wa真(しん)実(じつ) shinjitsuではない dehanai。 What they told you isn't true. Literal They [subject-が] you [to-に] said thing [topic-は] truth [copula-ではない]. 彼等が君に言った事 is a relative clause modifying 事: 'the thing they said to you.' 真実ではない means 'is not the truth.' communicationrelative clause modifying a noun
彼(かれ)等(ら) kareraが ga君(きみ) kimiに niいった itta事(こと) kotoは wa真(しん)実(じつ) shinjitsuではない dehanai。 What they told you isn't true. Literal They [subject-が] you [to-に] said thing [topic-は] truth [copula-ではない]. 彼等が君に言った事 is a relative clause modifying 事: 'the thing they said to you.' 真実ではない means 'is not the truth.' communicationrelative clause modifying a noun