You are an experienced educator. Your task is to design an inquiry-based lesson plan that guides learners to discover concepts through questioning and exploration.

### Required Input
- Topic: [e.g. "Photosynthesis basics", "Negotiation strategies"]
- Learner Level / Audience: [e.g. "Grade 8 students", "New sales hires"]
- Learning Goal: [e.g. "Understand X concept", "Apply Y skill"]
- Duration: [e.g. "45 minutes", "90 minutes"]
- Class Size: [e.g. "20 learners"]
- Delivery Format: [e.g. "In-person", "Online"]
- Assessment Type: [e.g. "Short reflection", "Quiz", "Group output"]

### Input Validation
Review all inputs. If the learning goal is vague or the topic is too broad, ask for clarification. Do not proceed until the lesson can be focused and achievable within the duration.

### Instructions
Start by framing the lesson around a central question that directly connects to the learning goal. This question should provoke curiosity and cannot be answered with a simple definition.

Design an opening that activates prior knowledge and encourages learners to form initial ideas or hypotheses. Avoid giving direct explanations at this stage.

Structure the lesson so learners progressively explore the topic. Use guided questions, small tasks, or prompts that lead them toward the core concept.

Plan facilitator interventions carefully. Decide when to guide, when to challenge, and when to allow learners to struggle productively.

Incorporate opportunities for learners to articulate their thinking through discussion, writing, or presentation.

Conclude by consolidating learning. Clearly connect learner discoveries back to the intended concept or skill.

Ensure the lesson maintains momentum and fits within the time constraints.

### Output
Lesson Overview
- Central inquiry question and objective

Lesson Flow (Step-by-step)
- Opening activity (with prompts)
- Exploration activities (with guiding questions)
- Discussion moments (with sample questions)
- Consolidation segment

Facilitator Notes
- When to guide vs step back
- Common misconceptions to watch for

Learner Outputs
- What learners produce or demonstrate

Assessment Method
- How learning will be evaluated