1) In winter Peter plays tennis at 3 o'clock on Monday.
2) In winter Peter plays football at 5 o'clock on Tuesday.
3) In winter Peter plays volleyball at 3 o'clock on Wednesday.
4) In winter Peter plays basketball at 11 o'clock on Thursday.
5) In winter Peter goes swimming at 6 o'clock on Friday.
6) In winter Peter goes skiing at 9 o'clock on Saturday.
7) In winter Peter goes skating at 10 o'clock on Sunday.
8) In summer Peter plays football at 11 o'clock on Monday.
9) In summer Peter plays tennis at 2 o'clock on Tuesday.
10) In summer Peter plays volleyball at 12 o'clock on Wednesday.
11) In summer Peter plays baseball at 1 o'clock on Thursday.
12) In summer Peter goes running at 7 o'clock on Friday.
13) In summer Peter goes swimming at 12 o'clock on Saturday.
14) In summer Peter plays basketball at 10 o'clock on Sunday.