Group 1 analyse, verb consider in detail and subject to an analysis in order to discover essential features or meaning break down into components or essential features make a mathematical, chemical, or grammatical analysis of

random, adj
lacking any definite plan or order or purpose; governed by or depending on chance
a random choice

reinforce, verb
make stronger
he reinforced the concrete
strengthen and support with rewards
Let's reinforce good behavior

restore, verb
return to its original or usable and functioning condition
restore the forest to its original pristine condition
return to life; get or give new life or energy
give or bring back
Restore the stolen painting to its rightful owner
restore by replacing a part or putting together what is torn or broken
bring back into original existence, use, function, or position
restore law and order