> ? [some #refrigerator]

[pm#graph6_on_spamOnly@phmartin.info
     [spamOnly@phmartin.info,
          pm#agent of: (a #wish,
               pm#object: [a #sale,
                         pm#object: an #electric_refrigerator,
                         #asking_price: 190 #Australian_dollar,
                         pm#place: QLD#Southport])]
](15/09/2001);

//Search time: 5.8e-05 s, printing time: 0.0003 s (according to the Unix function gettimeofday())