Typescript: What is the type of result?

Question

Given the following TypeScript code, what is the type of result?
```typescript
type SomeType = { a: number; b: string; c: boolean };
type OtherType = Pick<SomeType, 'a' | 'b'>;
const result: OtherType = { a: 42, b: 'hello' };
```

Accepted Answer

{ a: number; b: string; }

Answer

{ a: number; c: boolean; }

Answer

{ b: string; c: boolean; }

Answer

{ a: number; b: string; c: boolean; }

Question from the Typescript - Overview test

Typescript: What is the type of result?