Thank you for your warning.
Yes, it has something to do with text mining.
By deleting words, the candidate hopes to get away with it. Text mining also referred to as text data mining, roughly equivalent to text analytics, refers to the process of deriving high-quality information from text.
High-quality information is typically derived through the devising of patterns and trends through means such as statistical pattern learning.
The updated code is able to identify the temptation with high reliability.
Take care.