Problem: John Singer Sargent worked in which branch of the arts?
======
A: painting

Problem: What is the one-sleeved half-jacket worn under a jacket as additional protection in the sport of fencing?
======
A: plastron

Problem: Who narrated the English version of the Spanish animated children's series Pocoyo?
======
A: stephen fry

Problem: Different from the flags used by the officials, what color flag is used by NFL football coaches to challenge the ruling on the field?
======
A:
red