过滤文件内容到排序表

我有一个包含以下代码行的文件。这里的文件显示了一个逐一排序的时间表。

at 12:00 the schedule of james version1 is :
first_task:eating:nothing
second_task:rest:onehour
third_task:watching:nothing 

at 12:00 the schedule of james version2 is :
first_task:eating:fruits
second_task:rest:twohour
third_task:watching:manga 

at 12:00 the schedule of alex version1 is :
first_task:eating:fruit
second_task:rest:halfhour
third_task:watching:horrorfilm 

at 12:00 the schedule of alex version2 is :
first_task:eating:meal
second_task:rest:nothing
third_task:watching:nothing 

at 18:00 the schedule of james version1 is :
first_task:eating:fastfood
second_task:rest:twohours
third_task:watching:series 

at 18:00 the schedule of james version2 is :
first_task:eating:nothing
second_task:rest:onehours
third_task:watching:series 

at 18:00 the schedule of alex version1 is :
first_task:eating:vegetals
second_task:rest:threehours
third_task:watching:manga 

at 18:00 the schedule of alex version2 is :
first_task:eating:bread
second_task:rest:fivehours
third_task:watching:manga 

at 22:00 the schedule of james version1 is :
first_task:eating:nothing
second_task:rest:sevenhours
third_task:watching:nothing

at 22:00 the schedule of james version2 is :
first_task:eating:meal
second_task:rest:sixnhours
third_task:watching:nothing

at 22:00 the schedule of alex version1 is :
first_task:eating:vegetals
second_task:rest:sevehours
third_task:watching:manga 

at 22:00 the schedule of alex version2 is :
first_task:eating:icecream
second_task:rest:sevenhours
third_task:watching:nothing 

我尝试这样排序：

12:00 eating:fruit
18:00 eating:vegetals
22:00 eating:nothing

12:00 rest:onhour 
18:00 rest:threehour
22:00 rest:sevenhour

12:00 watching:horrorfilm 
18:00 watching:manga
22:00 watching:nothing

使用这些命令：

awk -F '[\ :]' '/the schedule is/{h=$2;m=$3} /eating/{print " "h":"m" watching:"$3}' f.txt
awk -F '[\ :]' '/the schedule is/{h=$2;m=$3} /rest/{print " "h":"m" rest:"$3}' f.txt
awk -F '[\ :]' '/the schedule is/{h=$2;m=$3} /watching/{print " "h":"m" watching:"$3}' f.txt

现在我希望通过忽略所有不重要的单词并对表中最有价值的信息进行排序来改进过滤的文件，我试图思考/搜索如何获得这种格式但徒劳。