2a. Select the sentence with the central idea: * (1) Instacart is a grocery technology company. (2) Thanks to the investments we have made over the last decade, we now deliver the best consumer online grocery experience anywhere. (3) Consumers can search for products they love and discover new ones based on their tastes and preferences, build deeper relationships with their favorite retailers, and get what they need delivered to them when they need it. (4) But we also put our technology and consumer expertise in the hands of our retail partners. (5) Retailers understand that we invest more in technology custom-built for online grocery than any single grocer could - and that by partnering with Instacart, they can have the same technology edge as tech giants and startups, while also being able to focus on everything else it takes to run a successful