Complex sentence: Following the 1988 merger of the alliance, he lost his 1992 general election bid as a Liberal Democrat to unseat Conservative MP Toby Jessel in the Twickenham constituency, but successfully defeated Jessel at the 1997 general election.
Split into simpler sentences: Following the 1988 merger of the alliance, he lost his 1992 general election bid as a Liberal Democrat to unseat Conservative MP Toby Jessel in the Twickenham constituency. Cable entered the House of Commons after unseating Conservative MP Toby Jessel in the Twickenham constituency at the second attempt, in the 1997 general election.