Start the turn as soon as you are ready. There are three possible things you will need to do.
1. If this is turn one and there is an odd number of players, you will just enter a word/phrase.
2. If both the number of players AND the turn number are both either even or odd (and not turn 1) then you will guess a word based on the images from last turn.
3. If neither 1 nor 2 applies, then you will select images to