Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentence.
The ruling political party will win this election. If the opposition comes up with a better plan, they may lose.
1) unfortunately
2) until
3) unless
1
Only 1
2
Only 2
3
Only 3
4
Both 2 and 3
5
Both 1 and 3