Murtogg- "No"
Mullroy- "No"
Murtogg- "But I have a seen a ship with black sails"

(jack slips by them and goes towards the interceptor)

Mullroy- "Ohh, and no ship that's not crewed by the damned and captained by a man so evil that hell itself spat him back out could possibly have black sails, therefore it couldnt possibly be any other ship than the Black Pearl. Is that what you're saying"