Problem: Does "Giuliani dropped out of the presidential race on January 30, 2008, largely because of a poor showing in Florida, and endorsed McCain." answer the question "Which candidate withdrew from the presidential race in January of 2008?"

A: no

Problem: Does "The Kerrison was fairly simple, but it pointed the way to future generations that incorporated radar, first for ranging and later for tracking." answer the question "What other country designed similar systems to the Predictor?"

A: no

Problem: Does "However, the total system mass and energy do not change during this interaction." answer the question "What is the inverse process called?"

A:
no