🚀 Enhance Fill in the Blanks Verbal ability Practice Module

[kumar-veerendra]

Summary

Improve the Fill in the Blanks module to support multiple acceptable answers and a better evaluation system.

Current Behavior

• Fill in the blanks is implemented.
• Only one exact answer is accepted.
• Some questions require multiple valid answers.

Proposed Implementation

• Support multiple acceptable answers.
• Ignore case differences.
• Ignore leading/trailing spaces.
• Support synonyms where applicable.
• Improve answer validation logic.

Flow

Question
│
▼
User submits answer
│
▼
Normalize input
│
▼
Compare against accepted answers
│
┌──┴──┐
│ │
Correct Incorrect
│ │
▼ ▼
Show Show correct answer
Success and explanation

Acceptance Criteria

• Multiple answers supported.
• Case-insensitive matching.
• Trim whitespace.
• Explanation displayed.