Sentence 1: I was watching discovery today. 
 Sentence 3: There were kangaroos fighting each other 
 Sentence 4:  One kangaroo kicked another kangaroo 
 Sentence 5:  The other kangaroo died from the wound 
 Option 1: I got bored and changed the channel to C-SPAN to watch a political debate. 
 Option 2: I saw several different predatory animals.