Tactical Voting by Voting Intention

Thinking about how you would vote in a general election/local election, which of the following statements is closest to your view? I would/would not consider voting for a party that was not my first choice in order to prevent another party/candidate from winning election.
Base: Respondents likely to vote in a general/local election. Unweighted totals: 1825, 1330
Source: Survation