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

Karel Kachyna (1 May 1924 12 March 2004) was a Czech film director. His career spanned over five decades. Kachyna was part of the Czech wave of liberal filmmakers in the 1960s which included Milos Forman and Jiri Menzel. He was married to Alena Mihulova. They had one daughter, Karolina, together. He was born in Vyskov, Czechoslovakia and died in Prague, Czech Republic.
Hypothesis: Kachyna only had one daughter, Karolina.
****
Answer:
Yes

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

Lorenzo Sotomayor Collazo (born 16 February 1985) is an Cuban-born Azerbaijani light-welterweight boxer who won a silver medal at the 2016 Olympics. He is a nephew of the high jumper Javier Sotomayor. In 2013 he moved from Cuba to Azerbaijan to increase his chances for Olympic selection. He chose to compete as Collazo, which means "shining star".
Hypothesis: Lorenzo Sotomayor Collazo moved to Azerbaijan to compete in the Olympics.
****
Answer:
Yes

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

Lee Ji-yeon (born February 18, 1984), better known by her stage name Lina is a South Korean singer and musical actress. She debuted in 2002 as a member of South Korean R&B duo Isak N Jiyeon and disbanded in 2004. She later re-debut as a member of South Korean girl group The Grace in 2005 and the group currently being inactive. She currently active as a musical actress.
Hypothesis: Lee Ji-yeon began singing before her 16th birthday.
****
Answer:
It's impossible to say