Which of the following resonance strutuers is the major contributor to the resonance hybrid ?
`CH_(3)-CH_(2)underset((I))(-)overset(o+)(CH)-underset(* *)overset(* *)(O)Me hArr CH_(3)-CH_(2)underset((II))(-)CH=underset(* *)overset(o+)(O) Me`

:overset(-)CH_(2)-underset( :O: )overset(C)(||)-CH_(3) and CH_(2)=underset(( .^(-): O: ))underset(|)C-CH_(3)

CH_(3)-underset(CH_(3))underset(|)(CH)-CH=CH-CH_(2)-overset(O)overset(||)(C)-OH

In the following sets of resonating structure, lable the major and minor contributors towards resonance hybrid. (P)underset("(I)")(CH_(3)-overset(Theta)CH-C-=N)harrunderset("(II)")(CH_(3)CH=C=overset(..)N:^(Theta))" (Q)"underset("(I)")(CH_(3)-overset(Theta)CH-CH=CH-NO)harrunderset("(II)")(CH_(3)-CH=CH-CH=overset(o+)underset(O^(Theta))underset(|)N-O^(Theta)) (R)underset("(I)")(CH_(3)-CH_(2)-overset(o+)underset(""NH_(2))underset(|)(C)-NH_(2))harrunderset("(II)")(CH_(3)-CH_(2)-underset(""NH_(2))underset(|)(C)=overset(o+)NH_(2))" (S)"underset("(I)")(CH_(3)-overset(O)overset(||)C-overset(Theta)CH-overset(O)overset(||)C-CH_(3))harrunderset("(II)")(CH_(3)-overset(O^(Theta))overset(|)C=CH-overset(O)overset(||)C-CH_(3)

CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-underset(O)underset(||)(C)-NHCH_(3)