CONVERSATION Letter Analysis

The process begins by examining the word CONVERSATION and identifying all the letters it contains, along with how many times each letter appears. This helps us understand the available resources for forming new words.

Here's a breakdown of the letters in CONVERSATION:

• C: 1
• O: 2
• N: 2
• V: 1
• E: 1
• R: 1
• S: 1
• A: 1
• T: 1
• I: 1

These counts represent the maximum number of times each letter can be used.

Word Formation Check

Next, we check each provided alternative word to see if it can be constructed using only the letters found in CONVERSATION, respecting the frequency counts.

Option 1: VERSION

Letters required: V, E, R, S, I, O, N.

Check: All these letters (V × 1, E × 1, R × 1, S × 1, I × 1, O × 1, N × 1) are available in CONVERSATION. The counts match or are less than the available counts.

Result: VERSION can be formed.

Option 2: REASON

Letters required: R, E, A, S, O, N.

Check: All these letters (R × 1, E × 1, A × 1, S × 1, O × 1, N × 1) are available in CONVERSATION. The counts are sufficient.

Result: REASON can be formed.

Option 3: NATION

Letters required: N, A, T, I, O, N.

Check: The letters needed are N (twice), A (once), T (once), I (once), O (once). CONVERSATION contains N (twice), A (once), T (once), I (once), O (twice). All requirements are met.

Result: NATION can be formed.

Option 4: STATION

Letters required: S, T, A, T, I, O, N.

Detailed Check:

• S: Need 1, Have 1 (OK)
• T: Need 2, Have 1 (NOT OK)
• A: Need 1, Have 1 (OK)
• I: Need 1, Have 1 (OK)
• O: Need 1, Have 2 (OK)
• N: Need 1, Have 2 (OK)

The word STATION requires two instances of the letter 'T'. However, the source word CONVERSATION only has one 'T'. This mismatch prevents the formation of STATION.

Result: STATION cannot be formed.

Conclusion on Word Formation

By comparing the letter requirements of each option against the letters available in CONVERSATION, we determined that STATION is the word which cannot be formed. This is due to the insufficient count of the letter 'T' in the source word.