1 const
  2         maxn=50010;
  3 var
  4         f:array[0..maxn,0..20]of longint;
  5         a,b:array[0..maxn]of longint;
  6         n,m:longint;
  7
  8 function max(x,y:longint):longint;
  9 begin
 10         if x>y then exit(x);
 11         exit(y);
 12 end;
 13
 14 function findl(x:longint):longint;
 15 var
 16         l,r,mid:longint;
 17 begin
 18         l:=1;
 19         r:=n;
 20         while l<>r do
 21           begin
 22             mid:=(l+r)>>1;
 23             if a[mid]>=x then r:=mid
 24             else l:=mid+1;
 25           end;
 26         exit(l);
 27 end;
 28
 29 function findr(x:longint):longint;
 30 var
 31         l,r,mid:longint;
 32 begin
 33         l:=1;
 34         r:=n;
 35         while l<>r do
 36           begin
 37             mid:=(l+r+1)>>1;
 38             if a[mid]<=x then l:=mid
 39             else r:=mid-1;
 40           end;
 41         exit(l);
 42 end;
 43
 44 function ans(l,r:longint):longint;
 45 var
 46         k:longint;
 47 begin
 48         if l>r then exit(0);
 49         k:=0;
 50         while 1<<(k+1)<r-l+1 do
 51           inc(k);
 52         exit(max(f[l,k],f[r-1<<k+1,k]));
 53 end;
 54
 55 procedure init;
 56 var
 57       i,j,k:longint;
 58 begin
 59         read(n);
 60         for i:=1 to n do
 61           begin
 62             read(a[i],b[i]);
 63             f[i,0]:=b[i];
 64           end;
 65         k:=1;
 66         j:=1;
 67         while k<n do
 68           begin
 69             for i:=1 to n-k do
 70               f[i,j]:=max(f[i,j-1],f[i+k,j-1]);
 71             k:=k<<1;
 72             inc(j);
 73           end;
 74 end;
 75
 76 procedure work;
 77 var
 78         i,x,y,l,r:longint;
 79 begin
 80         read(m);
 81         for i:=1 to m do
 82           begin
 83             read(x,y);
 84             l:=findl(x);
 85             r:=findr(y);
 86             if a[l]=x then
 87               if a[r]=y then
 88                 begin
 89                   if ans(l+1,r-1)<b[r] then
 90                     if b[l]>=b[r] then
 91                       if r-l=y-x then writeln('true')
 92                       else writeln('maybe')
 93                     else writeln('false')
 94                   else writeln('false');
 95                 end
 96               else
 97                 begin
 98                   if ans(l+1,r)>=b[l] then writeln('false')
 99                   else writeln('maybe');
100                 end
101             else
102               if a[r]=y then
103                 begin
104                   if ans(l,r-1)<b[r] then writeln('maybe')
105                   else writeln('false');
106                 end
107               else writeln('maybe');
108           end;
109 end;
110
111 begin
112         init;
113         work;
114 end.