Q: Passage: "Palestinian territories" and "occupied Palestinian territories" (OPT or oPt) are descriptions often used to describe the West Bank (including East Jerusalem) and the Gaza Strip, which are occupied or otherwise under the control of Israel. Israeli governments have maintained that the area involved is within territorial dispute. The extent of the territories, while subject to future negotiations, have frequently been defined by the Green Line.

Question: Based on this passage, who occupies the west bank and gaza strip? Let's give stream of consciousness first:
The relevant information is: "Palestinian territories" and "occupied Palestinian territories" (OPT or oPt) are descriptions often used to describe the West Bank (including East Jerusalem) and the Gaza Strip, which are occupied or otherwise under the control of Israel. Therefore, the final answer is Israel.