Siarad, fusser6: 'because'

371	AMR	do [=? dw meddwl] fydd [?] raid ni brynu minceCE piesCE (be)causeE <am bod> [?] TrishCE (y)n dod # BoxingE DayE (fe)lly +.. .
		yes be.3S.FUT necessity PRON.1PL buy.NONFIN mince pies because for be.NONFIN Trish PRT come.NONFIN Boxing Day thus
		yes.ADV.PAST be.V.3S.FUT+SM necessity.N.M.SG+SM we.PRON.1P buy.V.INFIN+SM mince.SV.INFIN pie.N.SG+PL because.CONJ for.PREP be.V.INFIN name PRT come.V.INFIN name name so.ADV
		[?] We'll need to buy mince pies because Trish is coming on Boxing Day, so ...
459	AMR	(be)causeE oedd o (y)n gweithio (y)n hwyr neithiwr .
		because be.3S.IMP PRON.3SM PRT work.NONFIN PRT late last_night
		because.CONJ be.V.3S.IMPERF he.PRON.M.3S PRT work.V.INFIN PRT late.ADJ last_night.ADV
		Because he was working late last night.