Draw the conclusion from the following sentences

Apartments in the Riverdale Manor cost less than apartments in The Gaslight Commons.
Apartments in the Livingston Gate cost more than apartments in the The Gaslight Commons.
Of the three apartment buildings, the Livingston Gate costs the most.

If the first two statements are true, the third statement is

All windows are doors. No door is wall

Conclusions:

No window is wall

No Wall is door

All flowers are toys. Some toys are trees. Some angels are trees

Conclusions:

Some angels are toys

Some trees are flowers

Some flowers are angels

Some blankets are beds. Some pillows are blankets. All beds are pillows

Conclusions:

Some blankets are pillows

Some pillows are beds

Some beds are blankets

All snakes are trees. Some trees are roads. All roads are mountains.

Conclusions: 

Some mountains are snakes

Some roads are snakes

Some mountains are trees

Some boys are men. No man is black

Conclusions:

Some boys are not black

Some men are boys

Artists are generally whimsical. Some of them are frustrated. Frustrated people are prone to be drug addicts.

Based on these statements which of the following conclusions is true?

Some hills are rivers. Some rivers are desrets. All desrets are roads.

Conclusions:

Some roads are rivers

Some roads are hills

Some deserts are hills

Some envelops are gums. Some gums are seals. Some seals are adhesives.

Conclusions:

Some envelops are seals

Some gums are adhesives

Some adhesives are seals

Some adhesives are gums