Sentence 1: Tim needed to take the trash out. 
 Sentence 3: He waited until it was late at night 
 Sentence 4:  And when he approached the garbage bin, a shrieking cat jumped out 
 Sentence 5:  The scary event made Tim regret being lazy 
 Option 1: But he was too lazy. 
 Option 2: He woke up early so that he could get the trash out before the trash was picked up for the week.