Which two sentences show incorrect parallel structure?
The Spirit of Sportsmanship

Have you ever felt bad because you could not win a game against a rival team? People commonly feel sad or feeling withdrawn because of failure. Winning a game or any other competition is a proud moment for every sports player.
Many people are overwhelmed by their victory but getting depressed by failures is easy. Even the most successful people have had their share of failures. Winning or losing never matters, but your participation matters. If you stop trying, you will stop learning.

Question

Which two sentences show incorrect parallel structure?
The Spirit of Sportsmanship

Have you ever felt bad because you could not win a game against a rival team? People commonly feel sad or feeling withdrawn because of failure. Winning a game or any other competition is a proud moment for every sports player.
     Many people are overwhelmed by their victory but getting depressed by failures is easy. Even the most successful people have had their share of failures. Winning or losing never matters, but your participation matters. If you stop trying, you will stop learning.