Problem: Tetraazidomethane is a colorless , highly functional fluid whose chemical structure consists of a carbon atom substituted with four explosive azide groups .
Tetraazidomethane is a colorless , highly explosive liquid . Its chemical structure consists of a carbon atom substituted with four azide functional groups .
OPTIONS:
- no
- yes
-+-
A: no

Problem: Romney refused in September 1970 , and Mitchell Plan collapsed .
In September 1970 , Mitchell refused and Romney 's plan collapsed .
OPTIONS:
- no
- yes
-+-
A: no

Problem: The Banaue rice terraces were declared National Cultural Treasure by the Philippine government under the name of Ifugao Rice Terraces by Presidential Decree No . 260 in 1973 .
The Banaue Rice Terraces were declared by the Philippine government as a National Cultural Treasure under Ifugao Rice Terraces by virtue of Presidential Decree No . 260 in 1973 .
OPTIONS:
- no
- yes
-+-
A:
yes