premise: Brett McLaughlin, known professionally as Leland, is an American singer, songwriter, record producer, composer and lecturer. Based in Los Angeles, California, he has worked closely with a range of popular artists, including Troye Sivan, Daya, Capital Cities, Andy Grammer, Hilary Duff and Allie X.
hypothesis: Brett write his own lyrics
reason: he is a songwriter and a singer, but that doesnt mean he writes his own lyrics, we can't know from this statement 