'अहा! हिमालय की प्रकृति कितनी मनमोहक है।' - यह किस प्रकार का वाक्य है?

Select the correct example of a complex sentence (Mishra Vakya) from the following options:

What type of sentence is: 'दोनों में से जाने कौन खेलेगा।' (Who knows which of the two will play.)?

Identify the type of sentence: "मैंने स्वयं देखा था कि राजू खेल रहा था।" (I had myself seen that Raju was playing.)