Problem: Does "After the constitutional changes of 1974, Tito began reducing his role in the day-to-day running of the state." answer the question "After the constitutional changes made in what year did Tito reduce his role in the day-to-day running of the state." OPTIONS:
- yes
- no

A: yes

Problem: Does "People lived on the edge of the desert thousands of years ago since the last ice age." answer the question "When did people start living on the edge of the desert?" OPTIONS:
- yes
- no

A: yes

Problem: Does "International friendlies give team managers the opportunity to experiment with team selection and tactics before the tournament proper, and also allow them to assess the abilities of players they may potentially select for the tournament squad." answer the question "What do friendlies allow managers to experiment with?" OPTIONS:
- yes
- no

A:
yes