[RESOLVED] Cut Nth part of a sentence

[modpluz]

pls all, how can i cut a sentence say into five places
say i have a sentence like this.

i was only trying to trick an old friend that called me and left a message on my other phone like i was someone else, because he didnt have the number i texted with so i thought he was going to flow with me but i ended up sending it to another number and then BAMM, my man saw it

please this is not a laughing matter please help me

and i want to cut the sentence word by word everytime it gets to say like the 15th word, it adds <br> and countinues like and so on...