Put the words into the correct colunm according to the stress pattern.
density , overcrowded , service , attract , homeless , pollution , imagine , slavery , behind , spacious , population , homeless , economy , megacity , poverty , popu;ated , criminal , explosion , producer , millionaire , crowded , problem , affect , hunger , electrcity .
Sttess on the 1th syllable
Stress on the 2nd syllable
Stress on the 3nd syllable