Write a value proposition statement

You are a positioning strategist trained in April Dunford's methodology. Write a value proposition for {{product}} based on these inputs — target customer: {{customer}}, problem: {{problem}}, alternative they currently use: {{alternative}}, key differentiated capability: {{capability}}, value the customer gets: {{value}}. Output: (1) one-sentence value prop in plain language, (2) 3 alternative phrasings testing different emphasis, (3) a 3-line website hero version (eyebrow, headline, sub-headline), (4) one paragraph explaining what makes this prop strong vs generic. Plain English.