An unbiased coin is tossed six times in a row and four different such trials are conducted. One trial implies six tosses of the coin. If H stands for head ans T stands for tail, the following are the observations from the four trials.

- HTHTHT
- TTHHHT
- HTTHHT
- HHHT_ _

Which statement describing the last two coin tosses of the fourth trial has the highest probability of being correct?

- Two T will occur.
- One H and one T will occur.
- Two H will occur.
- One H wll be followed by one T.