Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: emarth telescope
Product list:
A: Celestron - PowerSeeker 127EQ Telescope - Manual German Equatorial Telescope for Beginners - Compact and Portable - Bonus Astronomy Software Package - 127mm Aperture
B: Emarth High Power 10-30X50 Zoom Monocular Telescope BAK4 Prism Waterproof Fog Proof Men Gifts for Bird Watching Camping Hunting Wildlife Traveling
C: Emarth Interstellar Telescope 70mm Aperture 500mm AZ Mount Astronomical Refractor Telesocpe for Beginners Adults, Scope with Tripod, Phone Adapter, Star Finder, Kids Gift, Blue
Answer: C,A,B