27:45. Haipaswi kuwa A tu? namaanisha A=[a1 a2]. lakini sasa tuna a1(trans) na a2(trans) katika safu wima zake, sio tu a1, a2. Hiyo inawezaje kuwa A(trans.) ??####[['A(trans.', 'Mathematical_Related_Concept', 'NEU']]