Can you please help?

2. Consider the following sequential game: Player 1 can choose to play it safe (S) in which case both he and player 2 get a payoff of 3 each, or he can risk playing a game with player 2 (P). If he chooses to play the game with player 2, then they play the following simultaneous move game: (a) Draw a game tree that represents this game. How many subgames does it have? (b) What is the normal form (matrix version) of this game? (c) Find all the Nash and subgame perfect equilibria