#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <string>
#include <stack>
#include <vector>
#include <set>
#include <map>
#include <cmath>
#include <sstream>
#include <queue>
#include <iomanip>
#define FRER() freopen("in.txt","r",stdin);
#define FREW() freopen("out.txt","w",stdout);
#define clr(str,x) memset(str,x,sizeof(str))
#define INF 0x3f3f3f3f
#define maxn 10010

typedef long long int ll;
using namespace std;
struct node
{
    string name;
    int st,len,et;
}man[maxn];
map<string,int> mp;
bool vis[maxn];
int main()
{
   // FRER()
    //FREW()
    int n,m,nn;
    string s;
    clr(vis,false);
    mp.clear();
    scanf("%d%d",&n,&m);
    for(int i=1;i<=m;i++)
    {
        scanf("%d",&nn);
        for(int j=0;j<nn;j++)
        {
            cin>>s;
            mp[s]=i;
        }
    }
    int num=m;
    for(int i=0;i<n;i++)
    {
        cin>>man[i].name>>man[i].st>>man[i].len;
        if(!mp.count(man[i].name))
            mp[man[i].name]=++num;
        if(man[i].len>60)
            man[i].len=60;
        man[i].et=man[i].st+man[i].len;
    }
    vector<string> v;
    int wait=0;
    int Time=man[0].st;
    for(int i=0;i<n;i++)
    {
        if(vis[i]==false)
        {
            int pos=mp[man[i].name];
            v.push_back(man[i].name);
            vis[i]=true;
            if(Time>=man[i].st)
            {
                wait+=Time-man[i].st;
                Time+=man[i].len;
            }
            else
            {
                Time=man[i].len+man[i].st;
            }
            for(int j=i+1;j<n;j++)
            {
                if(mp[man[j].name]==pos&&vis[j]==false)
                {
                    if(man[j].st<=Time)
                    {
                        v.push_back(man[j].name);
                        vis[j]=true;
                        wait+=Time-man[j].st;
                        Time+=man[j].len;
                    }
                    else break;
                }
            }
        }
    }
    for(int i=0;i<v.size();i++)
        cout<<v[i]<<endl;
    cout<<setprecision(1)<<fixed<<wait*1.0/n<<endl;

    return 0;
}