Obtained: After completing the Forboding Fear sub story, exit Capsule Corporation then return again to find Bulma in the Capsule Corporation Garden.
Objective: Head toward East Ravine Area on the World Map
Head to Lucca Village from the World Map and travel northeast to the crater in the East Ravine Area. Once there, defeat three Saibaman enemies to collect some fresh veggies, which will complete the sub story.