In the following question, an incomplete statement followed by fillers is given. Pick out the best filler to complete the incomplete statement, correctly and meaningfully.
The young scientist’s breakthrough discovery was celebrated not only for its innovation but also for______________

A breakthrough discovery is often celebrated for its potential to make a significant impact.

(1) its potential to revolutionize the industry – aligns well with the positive nature of a breakthrough discovery.

(2) its superficial appeal to the public – irrelevant to the importance of a scientific breakthrough.

(3) the controversies it stirred in the media – not typically a reason for celebration unless specified.

(4) the large number of patents it generated – a possible outcome, but the emphasis is on innovation here.