Problem: Sir is an honorific address used in a number of situations in many anglophone cultures. The term can be used as a formal prefix, especially in the Commonwealth, for males who have been given certain honours or titles (such as knights and baronets), where usage is strictly governed by law and custom.

Based on the paragraph above can we conclude that "Sir is used for men titled knights of orders of chivalry, where usage is strictly governed by law and custom."?

A: It's impossible to say

Problem: The XXX BRDC International Trophy was a motor race for Formula One cars held on 19 March 1978 at the Silverstone Circuit, England. It was the 30th running of the International Trophy, and the last to non-Championship Formula One regulations. The race was held over 40 laps of the Silverstone circuit, for a total distance of around 189 km .

Based on the paragraph above can we conclude that "The XXX BRDC International Trophy isa a car."?

A: It's impossible to say

Problem: The CooperFrostAustin House is a historic Colonial American house, built in 1681. It is located at 21 Linnaean Street, Cambridge, Massachusetts. It is the oldest extant home in Cambridge and is owned and operated as a non-profit museum by Historic New England. The house is rarely open for public tours, but private tours can be arranged during the summer months.

Based on the paragraph above can we conclude that "You can book a private tour of CooperFrostAustin House in early September."?

A:
No