Alec was going to assume he meant River Tam and not River Song who, as Alec knew from experience, would probably break Peter's mind in bed. Tam was probably a better one to find attractive.

"Not bad." Though two of them were off the table for Alec. "Definite theme. Though Corbie's blonde so good mixing that up." He thought about it. "Corbie's definite top three. But I'd have to go with Maya and Emma instead."

Alec... Didn't have a type. His type was women. Though perhaps it was just 'strong women'.