Rajeev placed his favorite pen on the kitchen counter before leaving for work in the morning. After Rajeev left, Yuna entered the kitchen to prepare breakfast and, not realizing the pen's significance, moved it from the counter to a drawer to clear the space for cooking. Later, Sven came into the kitchen to grab a snack and saw Yuna put the pen in the drawer. In the afternoon, Rajeev returned and started looking for his pen on the counter. Meanwhile, Yuna went out to run errands, but Sven was still at home. Considering that Rajeev, Yuna, and Sven do not have a chance to communicate with each other, does Rajeev know where his pen is? Does Sven know where Rajeev's pen is? Will Rajeev be able to find his pen without anyone else's help?

Provide a very brief response.
Rajeev does not know where his pen is because the last information he had was that the pen was on the kitchen counter. Since Yuna moved it without his knowledge, he lacks current information about the pen's whereabouts. Sven does know where Rajeev's pen is because he directly observed Yuna placing the pen in the drawer. Rajeev will not be able to find his pen without someone else's help or by searching the kitchen thoroughly, as he was not present to see the pen being moved and he has no knowledge of the pen's new location. Since Sven is at home and is aware of the location of the pen, it is plausible that Rajeev might question Sven or that Sven might volunteer the information, but without such interaction, Rajeev cannot find the pen based solely on his last awareness of its location.