---
id: 661bd56a0154b323bd171a78
title: Task 70
challengeType: 22
dashedName: task-70
lang: en-US
---

<!-- (Audio) Alice: Biometrics is the use of physical or behavioral traits for security. -->

# --description--

The word `of` is a preposition that often indicates a relationship between two things. It is used to show possession, belonging, or connection. For example, in the phrase `the color of the sky`, `of` tells us that the color belongs to or is associated with the sky. Similarly, in the context of the phrase `the world of biometrics`, `of` signifies a connection or belonging between the world and the concept of biometrics.

# --fillInTheBlank--

## --sentence--

`Biometrics is the use BLANK physical or behavioral traits for security.`

## --blanks--

`of`

### --feedback--

Think of a preposition representing a relationship between two things.

# --scene--

```json
{
  "setup": {
    "background": "company2-breakroom.png",
    "characters": [
      {
        "character": "Alice",
        "position": {
          "x": 50,
          "y": 0,
          "z": 1.4
        },
        "opacity": 0
      }
    ],
    "audio": {
      "filename": "4.2-4.mp3",
      "startTime": 1,
      "startTimestamp": 6.92,
      "finishTimestamp": 10.36
    }
  },
  "commands": [
    {
      "character": "Alice",
      "opacity": 1,
      "startTime": 0
    },
    {
      "character": "Alice",
      "startTime": 1,
      "finishTime": 4.44,
      "dialogue": {
        "text": "Biometrics is the use of physical or behavioral traits for security.",
        "align": "center"
      }
    },
    {
      "character": "Alice",
      "opacity": 0,
      "startTime": 4.94
    }
  ]
}
```
