What is the difference between trigonal bipyramidal and Seesaw based on molecular geometry?

• A. Trigonal bipyramidal has 5 groups attached to the central atom while Seesaw only has 3
• B. Trigonal bipyramidal has 5 atoms attached to the central atom while Seesaw only has 4
• C. Trigonal bipyramidal has 1 lone pair attached to the central atom while Seesaw has 2
• D. Trigonal bipyramidal has 2 lone pairs attached to the central atom while Seesaw only has 1

Answer: (B)