Complex sentence: The latter choice was finally implemented The committee finally had 16 members: 8 PP, 6 PSOE and 2 IU, but the chairman (from the PP) held a casting vote, thus effectively giving that party the majority.
Split into simpler sentences: The latter choice was finally implemented Actually, the committee had 16 members: 8 PP, 6 PSOE and 2 IU. However, the committee chairman (from the PP) held a casting vote, thus effectively giving that party the majority.