Decoding the Code for 'eat'

This problem involves identifying the pattern in a simple substitution code language. We need to compare the given phrases and their codes to find the code for the target word 'eat'.

Step-by-Step Code Analysis

1. Analyze 'sweet fruits' = 're de'

   This tells us that 'sweet' and 'fruits' correspond to 're' and 'de' in some order.

2. Analyze 'mango is sweet' = 'de me ke'

   Comparing this with the first phrase, we see 'sweet' is common. The common code is 'de'. Therefore, 'sweet' = 'de'.

   From this phrase, 'mango' and 'is' correspond to 'me' and 'ke' in some order.

3. Analyze 'orange is citrus' = 'ke le pe'

   Comparing this with the previous phrase, 'is' is common. The common code is 'ke'. Therefore, 'is' = 'ke'.

   From this phrase, 'orange' and 'citrus' correspond to 'le' and 'pe' in some order.

4. Analyze 'eat orange' = 'pe ne'

   Comparing this with the phrase 'orange is citrus', 'orange' is common. The common code is 'pe'. Therefore, 'orange' = 'pe'.

5. Determine the code for 'eat'

   Now, look back at the phrase 'eat orange' = 'pe ne'. Since we've established that 'orange' = 'pe', the remaining word 'eat' must correspond to the remaining code 'ne'.

   Therefore, 'eat' = 'ne'.

The code for the word 'eat' is 'ne'.