Problem:
Read the following paragraph and determine if the hypothesis is true:

The Britain Burma Society (BBS) is a society founded in 1957 under the distinguished patronage of Earl Mountbatten of Burma, Sir Hubert Rance (formerly Governor of Burma), Miss Dorothy Woodman, the Rt. Hon. Malcolm MacDonald, the Rt. Hon. Arthur Bottomley and others.
Hypothesis: The Britain Burma Society was founded by 20 people in 1957.
****
Answer:
It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

Yogi the Easter Bear is a 1994 animated television special starring Yogi Bear and produced by Hanna-Barbera which was broadcast in syndication on April 3, 1994. This was the last time Don Messick voiced both Boo Boo and Ranger Smith (his last being "Arabian Nights" which was also first aired in September 3, 1994). Messick died in 1997.
Hypothesis: Messick died after voicing Ranger Smith on the final episode of the last season.
****
Answer:
It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

Thomas Adrian "Tommy" Sands (born August 27, 1937) is an American pop music singer and actor. Working in show business as early as 1949, Sands became an overnight sensation and instant teen idol when he appeared on "Kraft Television Theater" in January 1957 as "The Singin' Idol". The song from the show, "Teen Age Crush", reached #2 on the "Billboard" Hot 100 and #1 on Cashbox.
Hypothesis: Thomas Adrian was famous before he turned 20.
****
Answer:
Yes