private String[] processCommand(String command) {
        String[] words;
        if (command.contains("->")) {
            words = command.split("->");
            commandId = 1;
            return words;
        } else if (command.contains(" follows ")) {
            words = command.split(" follows ");
            commandId = 2;
            return words;
        } else if (command.contains(" wall")) {
            words = command.split(" wall");
            commandId = 3;
            return words;
        } else if (command.contains(" unfollow ")) {
            words = command.split(" unfollow ");
            commandId = 4;
            return words;
        } else if (command.contains(" see profile")) {
            words = command.split(" see profile");
            commandId = 5;
            return words;
        } else if (command.contains(" edit profile")) {
            words = command.split(" edit profile");
            commandId = 6;
            return words;
        } else if (command.contains(" see ")) {
            words = command.split(" see ");
            commandId = 7;
            return words;
        } else if (command.contains(" notifications")) {
            words = command.split(" notifications");
            commandId = 8;
            return words;
        } else if (command.contains(" people you might know")) {
            words = command.split(" people");
            commandId = 9;
            return words;
        } else {
            commandId = 0;
            words = command.split("->");
            return words;
        }
    }