The reasoning: In the current frame, you are inside the break of a tree trunk, as indicated by the wood blocks around you. The task is to chop a tree, and it appears you are actively breaking a mushroom block directly in front of you. Since the target block is within reach and you're obtaining wood, the next logical action is to continue attacking the tree block until it breaks. If you haven't found the main trunk yet, you might need to look around to locate additional tree blocks above or to the sides. Since some wood has already been collected, continue focusing on the visible trunk blocks in front of you to gather more material effectively, next action: attack, and next frame: 