---
id: 6633ad387b6914a3313339b3
title: Task 52
challengeType: 22
dashedName: task-52
lang: en-US
---

<!-- (Audio) Tom: I see. So that means I can change the values in these variables, but I can't touch the values in these constants. -->

# --description--

`Touch` often means to come into physical contact with something. It can also be used metaphorically in contexts like programming, where it means to alter or affect something.

`These` is used to refer to specific items that are close to the speaker or are being actively discussed.

In this challenge, you'll review the difference between `can` and `can't` to express a person's ability or inability to do something.

Listen to what Tom says and fill in the blanks.

# --fillInTheBlank--

## --sentence--

`I see. BLANK that means I BLANK change the values in BLANK variables, but I BLANK BLANK the values in these constants.`

## --blanks--

`So`

### --feedback--

It is used here to introduce a conclusion or result based on what was previously stated, linking it logically.

---

`can`

### --feedback--

It expresses the ability to do something. In this context, it means Tom has the ability to modify the variables.

---

`these`

### --feedback--

It is used to specify which variables Tom is talking about, pointing to a particular group of variables that are close in context.

---

`can't`

### --feedback--

It indicates an inability to perform an action. Here, it emphasizes that Tom is not able to alter the constants.

---

`touch`

### --feedback--

In the context, it means to alter or affect. Tom is saying he is not allowed to change the constants.

# --scene--

```json
{
  "setup": {
    "background": "company2-center.png",
    "characters": [
      {
        "character": "Tom",
        "position": {
          "x": 50,
          "y": 15,
          "z": 1.2
        },
        "opacity": 0
      }
    ],
    "audio": {
      "filename": "5.2-3.mp3",
      "startTime": 1,
      "startTimestamp": 34.04,
      "finishTimestamp": 40.82
    }
  },
  "commands": [
    {
      "character": "Tom",
      "opacity": 1,
      "startTime": 0
    },
    {
      "character": "Tom",
      "startTime": 1,
      "finishTime": 7.78,
      "dialogue": {
        "text": "I see. So that means I can change the values in these variables, but I can't touch the values in these constants.",
        "align": "center"
      }
    },
    {
      "character": "Tom",
      "opacity": 0,
      "startTime": 8.28
    }
  ]
}
```
