mobile detector

1. Jail

1.1. object

1.1.1. Whistle

1.1.2. Table

1.1.3. Gun

1.1.4. cameras

1.2. users

1.2.1. Police

1.2.2. Guarad

1.2.3. Prisoners

1.2.4. Visitors

1.3. environment

1.3.1. Ferocious

1.3.2. Fighting

1.3.3. Roaming

1.3.4. Ragging

1.4. Activities

1.4.1. Fighting

1.4.2. Talking

1.4.3. Checking

1.4.4. Remand

1.4.5. Playing

2. Exam classroom

2.1. object

2.1.1. pan

2.1.2. camera

2.1.3. banches

2.1.4. board

2.2. environment

2.2.1. silent

3. secret meeting

3.1. object

3.1.1. Laptop

3.1.2. projector

3.1.3. pan

3.2. environment

3.2.1. serious